SC code | Name |
827-00 | Self-diagnostics error: RAM |
828-00 | Self-diagnostics error: ROM |
829-00 | Self-diagnostics error: Optional Serial |
833-00 | Self-diagnostic error: Engine I/F ASIC |
839-00 | Self-diagnostic Error: Serial Flash |
840-00 | EEPROM access error |
841-00 | EEPROM read data error |
850-00 | Network I/F Error |
862-00 | Number of the defective sector reaches the maximum count |
863-00 to 23 | HDD data read failure |
864-00 to 23 | HD data CRC error |
865-00 to 23 | HDD access error |
865-50 to 73 | HDD time-out error |
868-00 to 02 | SD card authentication error |
871-01 | FCU error |
875-01 | Delete all error (HDD erasure) (hddchack –i error) |
875-02 | Delete all error (HDD erasure) (Data deletion failure) |
875-03 | Delete all error (HDD erasure) |
880-00 | MLB error |
899-00 | Software performance error (signal reception end) |
919-00 | External controller down |
990-00 | Software operation error |
992-00 | Undefined SC issued. |
997-00 | Application function selection error |
998-00 | Application start error |
Troubleshooting
The table shows the classification of the SC codes:
Class | Section |
SC1xx | Scanning |
SC2xx | Exposure |
SC3xx | Image Processing 1 |
SC4xx | Image Processing 2 |
SC5xx | Paper feed and Fusing |
SC6xx | Communication |
SC7xx | Peripherals |
SC8xx | Overall System |
SC9xx | Others |
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC101-01 | D | LED Error (Scanning) |
The white level peak did not reach the prescribed threshold when the white guide plate was scanned. | ||
Scanner Carriage defective
BCU defective
Connector defective (disconnected, loose)
Harness defective
IPU defective
Condensation in scanner unit
White Reference Seal dirty or installed incorrectly (sheet-through exposure glass)
White Guide Plate, or White Roller dirty or installed incorrectly (SPDF/ARDF)
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. | ||
SC101-02 | D | LED Error (LED illumination adjustment) |
LED error was detected. | ||
Clean the white guide plate, or white roller (SPDF/ARDF).
Reconnect the following connectors;
Scanner Carriage - IPU harness (FFC)
SBU - LEDB harness (FFC)
IPU- BCU harness
Check the white reference seal that attached back of sheet-through exposure glass. Replace the sheet-through exposure glass, if dirty or damaged.
Replace the white guide plate, or white roller (SPDF/ARDF).
Replace the Scanner Carriage.
Replace the IPU.
Replace the following harnesses;
Scanner Carriage - IPU harness (FFC)
IPU - BCU harness
Replace the BCU.
Connector defective (disconnected, loose)
Scanner Carriage defective
IPU defective
Harness defective
BCU defective
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Reconnect the following connectors;
Scanner Carriage - IPU harness (FFC)
SBU - LEDB harness (FFC)
IPU- BCU harness
Check the white reference seal that attached back of sheet-through exposure glass. Replace the sheet-through exposure glass, if dirty or damaged.
Replace the Scanner Carriage.
Replace the IPU.
Replace the following harnesses;
Scanner Carriage - IPU harness (FFC)
IPU - BCU harness
Replace the BCU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC102-00 | D | LED Illumination Adjustment Error |
The white level peak reached the prescribed threshold when the white plate was scanned after a specified number of adjustments. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
LED defective
IDB (LED driver) defective
SBU defective
IPU defective
Power/signal harness defective
Reconnect the power/signal harness.
Replace the following parts:
Replace the Scanner Carriage.
Replace the IPU board.
Replace the power/signal harness.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC120-00 | D | Scanner Home Position Error 1 |
The scanner home position sensor does not go OFF. Details: Error detection timing | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. |
During homing (when the machine is turned ON or when it returns from energy save mode)
During an automatic adjustment (when the machine is turned ON or when it returns from energy save mode)
During a scan from the ADF/ARDF or exposure glass.
Scanner motor driver defective
Scanner motor defective
Scanner HP sensor defective
Harness defective
Timing belt, pulley, wire, or carriage not installed correctly
Replace the following parts:
Replace the HP sensor
Replace the scanner motor
Replace the harness.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC121-00 | D | Scanner Home Position Error 2 |
The scanner home position sensor does not go ON. Details: Error detection timing | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. |
During homing
During an automatic adjustment
During a scan from the ADF/ARDF or exposure glass.
Scanner motor driver defective
Scanner motor defective
Scanner HP sensor defective
Harness defective
Timing belt, pulley, wire, or carriage not installed correctly
Replace the following parts:
Replace the home position sensor
Replace the scanner motor
Replace the harness.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC141-00 | D | Black level detection error |
The black level cannot be adjusted within the target during auto gain control. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Scanner Carriage defective
IPU defective
Harness defective
BCU defective
Reconnect the following connectors;
Scanner Carriage - IPU harness (FFC)
IPU- BCU harness
Replace the Scanner Carriage.
Replace the IPU.
Replace the following harnesses;
Scanner Carriage - IPU harness (FFC)
IPU - BCU harness
Replace the BCU.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC142-00 | D | White level detection error |
The white level cannot be adjusted to the second target level within the target during auto gain control. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Scanner Carriage defective
IPU defective
Harness defective
Connector defective (disconnected, loose)
Condensation in scanner unit
White plate dirty or installed incorrectly
Reconnect the following connectors;
Scanner Carriage - IPU harness (FFC)
SBU - LEDB harness (FFC)
IPU- BCU harness
Check the white reference seal that attached back of sheet-through exposure glass. Replace the sheet-through exposure glass, if dirty or damaged.
Replace the scanner carriage.
Replace the IPU.
Replace the following harnesses;
Scanner Carriage - IPU harness (FFC)
IPU - BCU harness
Replace the BCU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC144-00 | D | SBU Communication Error |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
The machine cannot detect that the Scanner Carriage is connected.
The machine cannot communicate with the Scanner Carriage.
The communication data is incorrect.
Scanner Carriage defective
IPU defective
BCU defective
Harness defective
Reconnect the following connectors;
Scanner Carriage - IPU harness (FFC)
IPU- BCU harness
Replace the Scanner Carriage.
Replace the IPU.
Replace the BCU.
Replace the following harnesses;
Scanner Carriage - IPU harness (FFC)
IPU - BCU harness
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC151-00 | D | Black Level Error: Side 2 |
The black level scanned is not specified range. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
CIS for SPDF defective
SPDF main board defective
Harness defective
Reconnect the SPDF main board - CIS connectors if they are disconnected, or loose.
Replace the CIS for SPDF
Replace the following harnesses;
SPDF main board - CIS
IPU -SPDF main board
Replace the SPDF main board.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC152-00 | D | White Level Error: Side 2 |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
The shading data peak value read out from the CIS is not specified range from the target value.
CIS defective
White roller defective
SPDF main board defective
Harness defective
Reconnect the SPDF main board - CIS connectors if they are disconnected, or loose.
Replace the CIS for SPDF
Replace the following harnesses;
SPDF main board - CIS
IPU -SPDF main board
Replace the SPDF main board.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC154-00 | D | Scanner Communication Error: Side 2 |
The value read out from the ASIC and FROM area inside the CIS is different from the expected value. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
CIS defective
"FROM" area error
SPDF main board defective
Connector defective (loose, broken)
Reconnect the SPDF main board - CIS connectors if they are disconnected, or loose.
Replace the CIS for SPDF
Replace the following harnesses;
SPDF main board - CIS
IPU -SPDF main board
Replace the SPDF main board.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC161-02 | D | IPU error (Lsync Error: Side 2) |
The machine detects the error from the results of self-diagnostic test before scanning the side 2. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
harness defective between CIS and IPU (disconnected, loose)
CIS defective
IPU defective (ASIC: Macaron error)
Reconnect the IPU - CIS connectors if they are disconnected, or loose.
Replace the CIS for SPDF.
Replace the IPU - CIS harness.
Replace the IPU.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC161-20 | D | IPU error (DRAM initialization failure) |
An error occurred during performed every time the machine is turned on, or returns to full operation from energy save mode. | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
IPU defective (Macaron/ DRAM device connection error)
DRAM device defective
Reconnect the all connectors on IPU board if they are disconnected, or loose.
Replace the IPU, and BCU.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC195-00 | D | Machine serial number error |
Comparison of the product identification code in the machine serial number (11 digits). | ||
The product identification code in the machine serial number (11 digits) does not match. | ||
Re-enter the machine serial number. |
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC202-00 | D | Polygon Motor: ON Timeout Error |
After the polygon motor turned on, or within the specified time (sec.) after the rpm’s changed, the motor did not enter READY status. | ||
The interface harness to the polygon motor driver damaged or not connected correctly.
Polygon motor or polygon motor driver defective
Polygon motor drive pulse cannot be output correctly. (Polygon controller)
XSCRDY signal observation failing (Polygon controller)
Turn the main power OFF/ON.
Reconnect the connectors between LD unit and IPU.
Check CN586 (a connector with 1 pin) for the polygon mirror motor from the PSU.
Replace the LD unit (Polygon mirror motor).
Replace the harness between the LD unit and IPU.
Replace the IPU.
Replace the PSU (or fuses on PSU).
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC203-00 | D | Polygon Motor: OFF Timeout Error |
The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the polygon motor went OFF. | ||
The interface harness to the polygon motor driver damaged or not connected correctly.
Polygon motor or polygon motor driver defective
Polygon motor drive pulse cannot be output correctly. (Polygon controller)
XSCRDY signal observation failing (Polygon controller)
Turn the main power OFF/ON.
Reconnect the harness between LD unit and IPU.
Check CN586 (a connector with 1 pin) for the polygon mirror motor from the PSU.
Replace the LD unit (Polygon mirror motor).
Replace the harness between the LD unit and IPU.
Replace the IPU.
Replace the PSU (or fuses on PSU).
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC204-00 | D | Polygon Motor: XSCRDY Signal Error |
During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one rotation of the polygon. | ||
The interface harness to the polygon motor driver damaged or not connected correctly.
Polygon motor or polygon motor driver defective
Turn the main power OFF/ON.
Reconnect the connectors between LD unit and IPU.
Check CN586 (a connector with 1 pin) for the polygon mirror motor from the PSU.
Replace the LD unit (Polygon mirror motor).
Replace the harness between the LD unit and IPU.
Replace the IPU.
Replace the PSU (or fuses on PSU).
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC220-01 | D | Leading Edge: LD1 synchronization detection error: Bk |
SC220-04 | D | Leading Edge: LD1 synchronization detection error: Ye |
The leading edge LD0 synchronization detection signal of the corresponding color was not output within the specified time (sec.) while the polygon mirror motor was operating at normal speed. | ||
The interface harness to the synchronization detection unit damaged or not connected correctly.
Synchronization detection board defective
Beam does not enter photo detector.
Abnormality around GAVD
LDB defective
Turn the main power OFF/ON.
Check for condensation on the LDB.
Reconnect the connectors between LDB (Synchronizing detector board) and IPU.
Replace the LD unit.
Replace the IPU
Replace the harness between LDB (Synchronizing detector board) and IPU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC230-01 | D | FGATE ON error: Bk |
SC230-02 | D | FGATE ON error: Cy |
SC230-03 | D | FGATE ON error: Ma |
SC230-04 | D | FGATE ON error: Ye |
The FGATE signal did not turn ON within the specified time (sec.) after the writing process of the corresponding color started. | ||
Image processing ASIC defective on IPU
Harness between IPU and LDB defective
Turn the main power OFF/ON.
Reconnect the connectors between IPU and controller board.
Replace the IPU.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC231-01 | D | FGATE OFF error: Bk |
SC231-02 | D | FGATE OFF error: Cy |
SC231-03 | D | FGATE OFF error: Ma |
SC231-04 | D | FGATE OFF error: Ye |
The FGATE signal did not turn OFF within the specified time (sec.) after the writing process of the corresponding color ended.
The FGATE signal did not turn OFF when the next job of the corresponding color started.
Image processing ASIC defective on IPU
Harness between IPU and LDB defective
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Turn the main power OFF/ON.
Reconnect the connectors between IPU and controller board.
Replace the IPU.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC240-01 | D | LD error: Bk |
SC240-02 | D | LD error: Cy |
SC240-03 | D | LD error: Ma |
SC240-04 | D | LD error: Ye |
If LD error terminal of LD driver of corresponding color is asserted after LD initialization.
If an error is detected during initialization of LD driver which detects Ith/Ieta of LD of corresponding color.
LD degradation (LD broken, shift of output characteristics etc.)
The interface harness damaged or not connected correctly.
LD driver defective
Turn the main power OFF/ON.
Check the value in SP2-110-001 to 004 (LD Driver), the default is "0h".
If current value is "0", perform step 4.
If current value is "1", perform steps 3 and 5.
Reconnect the connectors between LDB and IPU.
Replace the LD unit
Replace the harness between LDB to IPU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC272-01 | D | LD driver communication error: Bk |
SC272-02 | D | LD driver communication error: Cy |
SC272-03 | D | LD driver communication error: Ma |
SC272-04 | D | LD driver communication error: Ye |
In view of parity, 3 retries were performed | ||
BCU defective
Harness defective
LDB defective
Turn the main power OFF/ON.
Reconnect the following connectors;
LDB-IPU harness
IPU-BCU harness
Replace the LD unit.
Replace the BCU.
Replace the following harnesses;
LDB-IPU harness
IPU-BCU harness
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC272-10 | D | LD driver communication error: Other |
LD voltage does not satisfy the specified voltage (5 V). | ||
BCU defective (LD5V Power error)
LDB defective (LD drive error)
LDB connector defective (loose, broken)
Interlock switch defective
Turn the main power OFF/ON.
Reconnect the connectors between LDB and IPU.
Replace the IPU.
Replace the LD unit.
Replace the harness between LDB and IPU.
Replace the interlock switch.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC285-01 | C | Laser optics positioning motor (in LD unit) :Power control error |
The power supply from PSU is not supplied to the laser optics positioning motors. | ||
Software error
Imaging IOB defective
BCU defective
Turn the main power OFF/ON.
Update the firmware.
Replace the imaging IOB.
Replace the BCU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC285-02 | C | MUSIC error |
The results of MUSIC pattern reading failed 4 times. (even if mode e (real time MUSIC) fails, the error count is not incremented (+1)) | ||
For details about cause and solution, refer to page 6-219 "When SC285-02 (MUSIC Error) Is Displayed". |
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC312-01 | D | Charge Roller HVP_CB Output Error (K) |
SC312-02 | D | Charge Roller HVP_CB Output Error (C) |
SC312-03 | D | Charge Roller HVP_CB Output Error (M) |
SC312-04 | D | Charge Roller HVP_CB Output Error (Y) |
Charging AC is set to ON at the standard speed, and the FB voltage of the charging AC of each color is monitored for 200 ms at 20ms intervals (10 times) after 80ms of charge AC_ON, and below 0.3V is detected continuously for 200ms (10 times), the SC of the corresponding color lights up, and machine operation is suspended. | ||
High voltage harness defective or shorted.
PCU setting fault or damage
HVP_CB fault
Connector disconnected
Harness broken
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
| ||
Check the PCU for the following points and recover or replace the PCU if there are any defects.
Checking contaminants on the Charge Roller terminal [A]
Checking damage or deformation of the Charge Roller terminal [A]
Checking continuity to the Charge Roller terminal core bar [B]
Check if all connectors related to PCDU are connected securely. Replace the connectors if they are disconnected, or loose.
Recover or replace the parts of the main machine if there are any defects after checking the following points.
Checking contaminants on the charged power supplying plate [C]
Checking damage or deformation of the charged power supplying plate [C]
Checking continuity between the Charge Roller terminal core bar and the HVP (CB)
Replace the HVP (CB).
If SC occurs again, replace the BCU.
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC324-01 | D | Development motor: Bk: Lock |
Motor status is observed at 100ms intervals during motor ON, and the unlock status is detected at least 20 times | ||
Motor defective
Connector disconnected
Harness broken
IOB defective
Development unit torque increased
Replace the motor
Reconnect the connector
Replace the harness
Replace the Imaging IOB.
Replace the development unit
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC324-05 | D | Development motor: CMY: Lock |
Motor status is observed at 100ms intervals during motor ON, and the unlock status is detected at least 20 times. | ||
Motor defective
Connector disconnected
Harness broken
IOB defective
Development unit torque increased
Replace the motor
Reconnect the connector
Replace the harness
Replace the Imaging IOB.
Replace the development unit
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC360-01 | D | TD sensor adjustment error (K) |
SC360-02 | D | TD sensor adjustment error (C) |
SC360-03 | D | TD sensor adjustment error (M) |
SC360-04 | D | TD sensor adjustment error (Y) |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Mu count is higher than the threshold which detects no developer.
Mu count is lower than the upper/lower target thresholds three consecutive times.
TD sensor defective
Loose connection
Harness broken
Developer toner density differs from initial developer
Check if all connectors related to TD sensor are connected securely. Replace the connectors if they are disconnected, or loose.
Check the Development Unit for the following points and recover or replace it if there are any defects.
Gear came off
PCDU seal was not removed
Not initial developer
Check the TD sensor and recover or replace it if there are any defects.
Check the harness for TD sensor. Replace the harness if it is disconnected, or damaged.
Replace the BCU if the SC cannot be recovered even after executing steps 1 to 4.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC361-01 | D | TD sensor output error: Upper Limit (K) |
SC361-02 | D | TD sensor output error: Upper Limit (C) |
SC361-03 | D | TD sensor output error: Upper Limit (M) |
SC361-04 | D | TD sensor output error: Upper Limit (Y) |
TD sensor output: Vt (SP3-210-001 to 004) > output upper limit error threshold (SP3-211-002) continuously exceeded the upper limit occurrence threshold value (SP3-211-003). | ||
TD sensor connector dropout (connection fault) |
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Sensor :Exe Initial mu count). If they are initial, perform the TD sensor adjustment (SP3-030-001 to 006). Recovery Confirmation Procedure |
Check if all connectors related to TD sensor are connected securely. Replace the connectors if they are disconnected, or loose.
Check the Development Unit for the following points and recover or replace it if there are any defects.
Gear comes off
Development unit is not installed correctly
Check the TD sensor and recover or replace it if there are any defects.
Check the values of SP3-030-061 to 064 (Init TD
Check the Toner Supply Unit and recover or replace it if there are any defects. (When the image density is excessively low, the supply unit may have a possibility of abnormality)
Toner bottle is empty
Toner bottle drive error
Clogging in the supplying path
Check the harness for TD sensor. Replace the harness if it is disconnected, or damaged.
Replace the BCU if the SC cannot be recovered even after executing steps 1 to 6.
Turn ON the main power, and then print a sheet.
Execute SP3-320-***(TD.Sens:Vt :Disp: Current: CMYK) to check the output value of the TD sensor.
Execute SP3-211-004 (Vt Limits Err :Disp Lower Threshold) to check the lower limit value.
Abnormal if the TD sensor output value is lower than the lower limit value
Normal if the TD sensor output value is equal to or larger than the lower limit value
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC362-01 | D | TD sensor output error: Lower limit (K) |
SC362-02 | D | TD sensor output error: Lower limit (C) |
SC362-03 | D | TD sensor output error: Lower limit (M) |
SC362-04 | D | TD sensor output error: Lower limit (Y) |
TD sensor output: Vt (SP3-210-001 to 004) < output lower limit error threshold (SP3-211-004) is continuously below the lower limit occurrence threshold value (SP3-211-005) | ||
TD sensor connector missing/dropout |
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Sensor :Exe Initial mu count). If they are initial, perform the TD sensor adjustment (SP3-030-001 to 006). Recovery Confirmation Procedure |
Check if all connectors related to TD sensor are connected securely. Replace the connectors if they are disconnected, or loose.
Check the Development Unit for the following points and recover or replace it if there are any defects.
Gear comes off
Development unit is not installed correctly
Check the TD sensor and recover or replace it if there are any defects.
Check the values of SP3-030-061 to 064 (Init TD
Check the Toner Supply Unit and recover or replace it if there are any defects.
Toner bottle driving error (left rotating)
Check the harness for TD sensor. Replace the harness if it is disconnected, or damaged.
Replace the BCU if the SC cannot be recovered even after executing steps 1 to 6.
Turn ON the main power, and then print a sheet.
Execute SP3-320-***(TD.Sens:Vt :Disp: Current: CMYK) to check the output value of the TD sensor.
Execute SP3-211-004 (Vt Limits Err :Disp Lower Threshold) to check the lower limit value.
Abnormal if the TD sensor output value is lower than the lower limit value
Normal if the TD sensor output value is equal to or larger than the lower limit value
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC370-01 | D | TM (ID) sensor calibration error (F) |
SC370-02 | D | TM (ID) sensor calibration error (C) |
SC370-03 | D | TM (ID) sensor calibration error (R) |
Regular reflection optical output voltage of the Front or Center or Rear TM (ID) sensor: Vsg_reg cannot be adjusted to within target range. Upper limit (SP3-320-013: initial value 4.5V) Lower limit (SP3-320-014: initial value 3.5V) | ||
For details about cause and solution, refer to page 6-222 "When SC370 (TM (ID) Sensor Calibration Error) Is Displayed". |
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC396-05 | D | Drum motor (CMY) Lock |
Motor status is observed at 100ms intervals during motor ON, and the unlock status is detected at least 20 times | ||
Motor defective
Connector disconnected
Harness broken
IOB defective
Unit torque increased.
Replace the motor
Reconnect the connector
Replace the harness
Replace the Imaging IOB.
Replace the PCDU
Troubleshooting
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC441-00 | D | Drum transfer motor: Lock |
Motor status is observed at 100ms intervals during motor ON, and the unlock status is detected at least 20 times. | ||
Motor defective
Connector disconnected
Harness broken
IOB defective
Unit torque increased.
Replace the motor
Reconnect the connector
Replace the harness
Replace the Imaging IOB.
Check the load on the motor (PCDU, Image transfer unit, Paper transfer unit, Waste toner bottle).
Replace the PCDU, Image transfer unit, Paper transfer unit or Waste toner bottle.
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC442-00 | D | ITB Lift Error |
Even though the ITB contact and release motor (also Toner supply motor (M)) rotates, the ITB contact and release sensor failed to detect the specified sensor feeler status within specified time. |
Contact/separation operation: If not detected in 2000msec
Home position operation: If not detected in 5000msec
Signal detection sampling period: 10msec
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
Image transfer unit not set/faulty setting
Sensor dirt
Sensor defective
Motor defective
Unit load large
Reset the Image transfer unit properly.
Clean the ITB contact and release sensor
Check the harness (disconnected, loose connectors)
Replace the ITB contact and release sensor
Replace the image transfer unit
Replace the contact and release drive unit
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC452-00 | D | Paper transfer contact motor error |
Paper transfer contact motor: position sensor cannot detect the sensor filler state within the predetermined time (see below) even if the paper transfer contact and release motor is rotated. | ||
Contact operation: If not detected in 2000msec
Home position operation: If not detected in 5000msec
Signal detection sampling period: 10msec
Sensor dirt
Sensor defection
Motor defection
Unit load large
Replace the contact drive unit
Replace the image transfer unit
Check the harness
Troubleshooting
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC491-00 | D | High voltage power source: charge/development: output error |
SC detection signal (charge/development) is L (abnormal) for 200 ms consecutively during high voltage (charge/development) output. | ||
H/W error | ||
Output contact setting fault
Controller connector set fault
Ground fault of output high voltage path
Surface/air clearance insufficient (arc discharge)
Controller harness disconnection, short-circuit
PCU setting fault
Control board _IOB error (related signal error)
HVP_CB error Load error
Grounding fault of charging output, short-circuit with other outputs
Surface/air clearance insufficient in charging output path (including distance from other outputs)
Abnormal deterioration of drum, and over current due to pinholes
Drum vs charge roller gap error (PCU error).
Over current due to drum surface condensation
Grounding fault of developing output, short-circuit with other outputs
Surface/air clearance insufficient in developing output path (including distance from other outputs)
Other
Turn the main power OFF/ON.
Reset or replace the harness of high voltage power supply feed path
Reset or replace the harness between IOB-HVP_CB
Reset or replace the PCU
Check the operation of the contact mechanism
Replace the HVP_CB
Replace the Imaging IOB.
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC492-00 | C | High voltage power source: image transfer/paper transfer: output error |
SC detection signal (transfer) is L (abnormal) for 200 ms consecutively during high voltage (transfer) output. | ||
H/W error | ||
Output power connector setting fault
Controller connector setting fault
Output high voltage Harness disconnection
Controller harness disconnection, short-circuit
Transfer unit setting fault
Control board_ IOB error (related signal error)
HVP_TTS error Load error
Increase in paper transfer roller impedance (low temperature environment/impedance rise/impedance rise due to dirt)
Operation fault of paper transfer contact mechanism
Increase in image transfer belt impedance
Opening in load power supply path
Reset or replacement the harness of high voltage power supply feed path
Reset or replace the harness between IOB-HVP_TTS
Reset or replace the transfer unit
Check operation of the contact mechanism
Replace the HVP_TTS
Replace the Imaging IOB.
Troubleshooting
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC497-00 | C | Machine temperature detection thermistor error |
Temperature sensor output error: Below 0.56V, or above 3.0V | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Connector disconnection or broken
Sensor (Thermistor) defective
Check if all connectors related to the Imaging Temperature Sensor (Thermistor) are connected securely. Reconnect the connectors if they are disconnected, or loose.
Replace the Imaging Temperature Sensor (Thermistor).
SC No. | Level | Error Name/Error Condition/Major Cause/Solution |
SC498-00 | C | Temperature and humidity sensor error |
Temperature sensor output error: Below 0.76V, or above 2.90V, or Moisture sensor output error: more than 2.4V | ||
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. |
Sensor not setting (disconnection or broken)
Sensor defective
Check if all connectors related to the Temperature and Humidity Sensor are connected securely. Reconnect the connectors if they are disconnected, or loose.
Replace the Temperature and Humidity Sensor.
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC501-01 | B | 1st Tray Lift Error (Main Machine) |
The 1st tray lift motor error detection count reaches 3 times. (Up to 2 times, reset instruction is displayed) | ||
| ||
1st tray upper limit sensor, 1st tray lift motor 1st paper feed unit, 1st tray Paper transport IOB | ||
SC501-02 | B | 1st Tray Descent Error (Main Frame) |
The 1st tray descent motor error detection count reaches 5. (Up to 4, reset instruction is displayed.) |
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
| ||
1st tray upper limit sensor, 1st tray lift motor 1st paper feed unit, 1st tray Paper transport IOB |
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC502-01 | B | 2nd Tray Lift Error (Main Frame) |
The 2nd tray lift motor error detection count reaches 3. (Up to 2, reset is displayed.) | ||
| ||
2nd tray upper limit sensor, 2nd tray lift motor 2nd paper feed unit, 2nd tray Paper transport IOB | ||
SC502-02 | B | 2nd Tray Descent Error (Main Frame) |
The detection count of 2nd tray descent motor descent errors reaches a total of 5. (Up to 4, reset is displayed.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
2nd tray upper limit sensor, 2nd tray lift motor 2nd paper feed unit, 2nd tray Paper transport IOB |
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC503-01 | B | 3rd Tray Lift Error (Paper Feed Unit PB3150 (D694)) |
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, and the upper limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
| ||
SC503-02 | B | 3rd Tray Descent Error (Paper Feed Unit PB3150 (D694)) |
During tray initialization, the tray base plate is lowered to check the tray base plate position, and the upper limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
| ||
SC503-11 | B | 3rd Tray Lift Error (Upper Tray: Paper Feed Unit PB3220/PB3210 (D787)) |
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, and the upper limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
| ||
SC503-12 | B | 3rd Tray Descent Error(Upper Tray: Paper Feed Unit PB3220/PB3210 (D787)) |
During tray initialization, the tray base plate is lowered to check the tray base plate position; the upper limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
|
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC504-21 | B | 4th Tray Lift Error (Lower Tray: Paper Feed Unit PB3220/PB3210 (D787)) |
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, but the upper limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
| ||
SC504-22 | B | 4th Tray Descent Error (Lower Tray: Paper Feed Unit PB3220/PB3210 (D787)) |
During tray initialization, the tray base plate is lowered to check the tray base plate position, but the upper limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a "tray set incorrectly" to the main machine.) | ||
|
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.
|
Troubleshooting
SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC508-00 | B | Bypass Tray Size Detection Error |
The paper size detected on the bypass tray is different from any of the pattern of automatic size detection. | ||
| ||
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SC No. | Type | Error Name/Error Condition/Major Cause/Solution |
SC520-01 | C | Registration Motor: Lock |
SC520-02 | C | Paper feed Motor: Lock |
SC520-03 | C | Transport Motor: Lock |
During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 0.5 sec, the error state of either register was detected at least 5 times. | ||
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