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Service Call 700-792


5.8 SERVICE CALL 700-792


Troubleshooting

Troubleshooting

Troubleshooting

5.8.1 SC700 (ENGINE: PERIPHERALS)


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC700


1-pass ADF error

SC700-01

D

Base Plate Lift Motor Error (1-pass ADF)

SC700-02

D

Original Pick-up Error (1-pass ADF)

SC700-04

D

Paper Feed Motor Error (1-pass ADF)

SC700-05

D

Pullout Motor Error (1-pass ADF)

SC700-06

D

Intermediate Motor Error (1-pass ADF)

SC700-07

D

Scanning Motor Error (1-pass ADF)

SC700-09

D

Paper Exit Motor Error (1-pass ADF)



-01

Even if the base plate motor is rotated in the base plate ascent

direction, the base plate paper feed correct position sensor does

not detect.

Even if the base plate motor is rotated in the base plate descent

direction, the base plate home position sensor does not detect.

-02

Even if the pick up arm motor is rotated, the pick up arm home

position sensor does not detect.

-04, 05, 06, 07, 09

When an error notification signal is detected during the motor

drive period.

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



-01

Base plate paper feed correct position sensor error (output error)

Base plate home position sensor error (output error)

Base plate motor error (does not rotate)

Controller error

-02

Pick-up home position sensor error (output error)

Pick-up motor error (does not rotate)

Controller error

-04, 05, 06, 07, 09

Motor defective

Connector disconnected

Harness broken

Overload



-01, 02

Check the sensor harness and motor harness connection

Replace the sensor harness and motor harness

Replace the sensor

Replace the motor

Replace the controller

-04, 05, 06, 07, 09

Check the harness connection

Replace the harness

Replace the motor



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC701-02

D

Original Pick-up Motor Driver Error (1-pass ADF)

When the protective function of motor driver IC detects:

Over current

Heating

and an error is output

Motor driver IC detects an error

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



Check the motor harness connection

Check of paper scrap in transport path, and foreign matter contamination in drive unit

Replace the motor harness

Replace the motor

Replace the controller

SC701-03

D

Paper Feed Motor Driver Error (ARDF)

Detection of error signal from motor driver

Encoder disconnection

Encoder connector dropout

Encoder defective

Overload

Motor deterioration

Replace the encoder harness

Check the harness connection

Replace the motor

SC701-08

D

Paper Exit Motor Driver Error (ARDF)

Detection of error signal from motor driver.

Encoder disconnection

Encoder connector dropout

Encoder defective

Overload

Motor deterioration

Replace the encoder harness

Check the harness connection

Replace the motor

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC702-01

D

Protection Device Intercept Error 1 (ARDF)

When original source 5V power supply is ON, protection device intercept of 24V power supply system is detected.

Any of feed motor, transport motor, reverse solenoid, paper feed solenoid, paper feed clutch and FAN motor defective, a harness short-circuit occurs, and the protection device of the 24V power supply system intercepts.

Replace the blown fuse or circuit board

Replace the short-circuited parts

SC702-02

D

Protection Device Intercept Error 2 (ARDF)

When original source 5V power supply is ON, protection device intercept of 24V OUT power supply system is detected.

Solenoid defective or harness short-circuit occurs in 24VOUT power supply system.

Replace the blown fuse or circuit board

Replace the short-circuited parts

SC702-03

D

Protection Device Intercept Error 3 (ARDF)

When original source 5V power supply is ON, protection device intercept of 5VE power supply system is detected.

Sensor defective or a harness short-circuit occur in 5VE power supply system.

Replace the blown fuse or circuit board

Replace the short-circuited parts

SC702-04

D

Protection Device Intercept Error 4 (1-pass ADF)

Motor defective in any of the pickup motor, completion stamp, base plate motor or FAN motor, or a harness short-circuit occurs, and the protection device of the non-interlocking power supply system intercepts.

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



Motor defective or a harness short-circuit occurs in the non-interlocking power supply system.

Replace the blown fuse or circuit board

Replace the short-circuited parts

SC702-05

D

Protection Device Intercept Error 5 (1-pass ADF)

Motor defective in the paper feed motor, pullout motor, intermediate motor, scanner motor or paper exit motor, or a harness short-circuit occurs, and the protection device of the interlocking power supply system intercepts.

Motor defective or a harness short-circuit occurs in the interlocking power supply system.

Replace the blown fuse or circuit board

Replace the short-circuited parts



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720


2K/3K Sheet finisher Error

SC720-03

B

Protection Device Intercept Error 1 (2K/3K sheet finisher)

Protection device intercept error state (fuse break) is detected.

Short-circuit defective

Overload defective

Motor defective

Solenoid defective

Check the harness

Replace the controller

Replace the motor

Replace the solenoid



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720


2K/3K Sheet finisher Error

SC720-10

B

Entrance Transport Motor Error (2K/3K sheet finisher)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720-11

B

Horizontal Transport Motor Error (2K/3K sheet finisher)

SC720-12

B

Prestack Transport Motor Error (2K/3K sheet finisher)

SC720-13

B

Intermediate Transport Motor Error (2K/3K sheet finisher)

SC720-16

B

Paper Exit Motor Error (2K/3K sheet finisher)



Motor driver detects an error state (DC motor control error). (1st time is jam notification, 2nd time is SC notification)

Motor defective

Connector disconnected

Overload

Encoder defective

Check the motor connection

Replace the motor

Replace the controller



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720


2K/3K Sheet finisher Error

SC720-20

B

Lower Separation Claw Motor Error (2K/3K sheet finisher)

SC720-24

B

Paper Exit Open/Close Guide Plate Motor Error (2K/3K sheet finisher)

SC720-25

B

Punching Motor Error (2K/3K sheet finisher)

SC720-27

B

Punch Displacement Motor Error (2K/3K sheet finisher)

SC720-28

B

Horizontal Registration Detection Displacement Motor Error (2K/3K sheet finisher)

SC720-30

B

Jogger Motor Error (2K/3K sheet finisher)

SC720-33

B

Strike Roller Drive Motor Error (2K/3K sheet finisher)

SC720-41

B

Release Motor Error (2K/3K sheet finisher)

SC720-42

B

Edge Stapler Displacement Motor Error (2K/3K sheet finisher)

SC720-50

B

Booklet Jogger Motor Error (2K/3K sheet finisher)

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720-51

B

Booklet Adjustment Claw Displacement Motor Error (2K/3K sheet finisher)

SC720-53

B

Booklet Reference Fence Motor Error (2K/3K sheet finisher)

SC720-65

B

Press Folding Motor Error (2K/3K sheet finisher)

SC720-71

B

Shift Motor Error (2K/3K sheet finisher)

SC720-72

B

Shift Jogger Front Motor Error (2K/3K sheet finisher)

SC720-73

B

Shift Jogger Rear Motor Error (2K/3K sheet finisher)

SC720-74

B

Shift Jogger Retreat Motor Error (2K/3K sheet finisher)

SC720-77

B

Edge Guide Motor Error (2K/3K sheet finisher)



Motor driver detects an error (short-circuit/ overheating) (1st time, SC).

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

Motor defective

Connector disconnected

Overload

Encoder defective (*SC720-25 only)

Home position sensor defective

Check the motor

Check the home position sensor connection

Replace the motor

Replace the home position sensor

Replace the controller

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720


2K/3K Sheet finisher Error

SC720-44

B

Edge Stapler Motor Error (2K/3K sheet finisher)

SC720-60

B

Booklet Stapler Motor Error (2K/3K sheet finisher)

SC720-75

B

Reverse Roller Rocking Motor Error (2K/3K sheet finisher)

SC720-78

B

Rear End Press Motor Error (2K/3K sheet finisher)



Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification)

*SC720-75, 78 only.

During movement to home, the home position could not be detected within a predetermined time (t0sec) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined time (t1sec) (1st time is jam notification, 2nd time is SC notification).

Motor defective

Connector disconnected

Overload

Home position sensor defective

Check the motor

Check the home position sensor connection

Replace the motor

Replace the home position sensor

Replace the controller

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720


2K/3K Sheet finisher Error

SC720-62

B

Transfer Roller Transport Motor Error (2K/3K sheet finisher)

SC720-63

B

Folding Transport Motor Error (2K/3K sheet finisher)



SC720-62

Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification).

SC720-63

Motor driver detects an error (short-circuit/ overheating) (1st time is jam notification, 2nd time is SC notification).

Motor defective

Connector disconnected

Overload

Encoder defective

Check the motor

Replace the motor

Replace the controller

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC720-70

B

Folding Transport Motor Error (2K/3K sheet finisher)

Motor controller detects an error (overload) (1st time is jam notification, 2nd time is SC notification).

During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification).

During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t1sec) elapses (1st time is jam notification, 2nd time is SC notification).

Motor defective

Connector disconnected

Overload

Home position sensor defective

Check the motor

Check the home position sensor connection

Replace the motor

Replace the home position sensor

Replace the controller



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721


1K Sheet finisher Error

SC721-03

B

Protection Device Intercept Error 1 (1K sheet finisher)

Fuse blowout is detected

SC721-10

B

Transport Motor 1 Error (1K sheet finisher)

Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).

SC721-11

B

Transport Motor 2 Error (1K sheet finisher)

Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721-17

B

Paper Eject Motor 2 Error (1K sheet finisher)

Motor driver detects an error state (DC motor control error) (1st time is jam notification, 2nd time is SC notification).

SC721-24

B

Paper Exit Guide Plate Open/Close motor Error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC721-25

B

Punch Drive Motor Error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected even after a predetermined time (t1 sec) elapsed (1st time is jam notification, 2nd time is SC notification).

Output from the encoder could not be counted for a predetermined number of times within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification).

The time to return to home without fail, the time coming from home, and the time for which the encoder output can be counted during normal operation, are taken as t0, t1 and t2.

SC721-27

B

Punch Displacement Motor Error (1K sheet finisher)

SC721-28

B

Punch Horizontal Registration Detection Error (1K sheet finisher)

SC721-30

B

Jogger Motor 1 Error (1K sheet finisher)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721-33

B

Strike Roller Motor Error (1K sheet finisher)

SC721-41

B

Release Motor Error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected even after a predetermined pulse (p1 pulse) elapsed (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC721-42

B

Stapler Displacement Motor Error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected even after a predetermined pulse (p1 pulse) elapsed (1st time is jam notification, 2nd time is SC notification).

During movement from home, retreat sensor ON could not be detected even after a predetermined pulse (p2 pulse) elapsed (1st time is jam notification, 2nd time is SC notification).

During initialization, retreat sensor ON was detected simultaneously when the home position is detected (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0, p1 and p2.

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721-44

B

Stapler Motor Error (1K sheet finisher)

During movement to home, the home position could not be detected even after a predetermined time (t0 sec) elapsed (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected even after a predetermined time (t1 sec) elapsed (1st time is jam notification, 2nd time is SC notification).

During motor drive, the output from the encoder could not be counted for a predetermined number of times within a predetermined time (t0 sec) (1st time is jam notification, 2nd time is SC notification).

The time to return to home without fail, the time coming from home, and the time for which the encoder output can be counted during normal operation, are taken as t0, t1 and t2.

SC721-52

B

Folding Plate Drive Motor Error (1K sheet finisher)

Motor driver detects an error (short-circuit and overheating) (1st time is SC).

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721-53

B

Rear End Fence Displacement Motor Error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC721-54

B

Bundle Transport Upper unit motor error (1K sheet finisher)

During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC721-58

B

Bundle Transport 1 Release Motor Error (1K sheet finisher)

SC721-59

B

Bundle Transport 2 Release Motor Error (1K sheet finisher)

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC721-80

B

Folding Transport Motor Error (1K sheet finisher)

Motor driver detects an error (short-circuit or overheating) (1st time is SC)

SC721-70

B

Tray 1 Lift Motor Error (1K sheet finisher)

Motor driver detects an error (short-circuit or overheating) (1st time is SC).

During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification).

During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t0sec) elapses (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.

SC721-71

B

Shift Motor 1 Error (1K sheet finisher)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



During movement to home, the home position could not be detected within a predetermined pulse (p0 pulse) (1st time is jam notification, 2nd time is SC notification).

During movement from home, the home position was detected for longer than a predetermined pulse (p1 pulse) (1st time is jam notification, 2nd time is SC notification).

The return pulse to home and pulse coming from home during normal operation are calculated and measured. The pulses which are 1.5-2 times the normal operation pulse are taken as p0 and p1.



Over current (board defective, harness short-circuit, solenoid defective) (*721-03 only)

Motor defective (*excluding 721-03)

Connector disconnected (*excluding 721-03)

Overload (*excluding 721-03)

Encoder error (*720-10, 11, 17, 25, 44 only)

Home position sensor error (*Excluding 721-03, 10, 11, 17, 70, and 80)

Retreat sensor error (*721-42 only)

Needle jam (*721-44 only)

Home position sensor (folding blade HP) error (*721-52 only)

Home position sensor (folding cam HP) error (*721-52 only)

Paper surface sensor error (*721-70 only)

Replace the controller

Replace the harness

Replace the motor (*excluding SC721-03)

Reset the connector (*excluding SC721-03)

Replace the solenoid (*SC721-03 only)

Replace the home position sensor (*excluding SC721-03, 10, 11, 17, 80)

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC724


Internal finisher Error

SC724-24

B

Paper Exit Guide Plate Open/Close Motor Error (Internal finisher)

When paper exit guide plate open/close motor is driven for T3 msec after paper exit guide plate HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When paper exit guide plate open/close motor is driven for T4 msec after paper exit guide plate HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-25

B

Punch Motor Error (Internal finisher)

When punch motor is driven for T16 msec after punch HP sensor ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When punch motor is driven for T17 msec after punch HP sensor OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-27

B

Punch Displacement Motor Error (Internal finisher)

When punch displacement motor is driven for T18 msec when punch displacement HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When punch displacement motor is driven for T19 msec when punch displacement HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-28

B

Punch Horizontal Registration Detection Motor Error (Internal finisher)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



When horizontal registration displacement motor is driven for T20 msec when horizontal registration displacement HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When horizontal registration displacement motor is driven for T21 msec when horizontal registration displacement HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-31

B

Jogger Front Motor Error (Internal finisher)

When front jogger motor is driven for T22 msec when front jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When front jogger motor is driven for T23 msec when front jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-32

B

Jogger Rear Motor Error (Internal finisher)

When rear jogger motor is driven for T24 msec when rear jogger HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When rear jogger motor is driven for T25 msec when rear jogger HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-33

B

Strike Roller Motor Error (Internal finisher)

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



During initialization/strike descent, even when the strike roller motor is driven for T1 msec when the strike roller HP sensor is ON, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

During initialization, even when the strike roller motor is driven for T2 msec when the strike roller HP sensor is OFF, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

When the strike roller is lifted from the press position, even when driven for T2 msec, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-38

B

Paper Press Motor Error (Internal finisher)

When the paper press HP sensor is ON and the paper press motor is driven for T14 msec, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

When the paper press HP sensor is OFF and the paper press motor is driven for T15 msec, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-42

B

Stapler Displacement Movable Motor Error (Internal finisher)

Sifter stapler displacement HP sensor ON, even when the stapler displacement motor is driven for T9 msec, the HP sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

After stapler displacement HP sensor OFF, even when the stapler displacement motor is driven for T10 msec, the HP sensor does not switch ON (1st time is jam notification, 2nd time is SC notification).

SC724-70

B

Shift Tray Ascent/Descent Motor Error (Internal finisher)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



During ascent from paper surface sensor ON, even after T11 msec elapses, the paper surface sensor does not switch OFF (1st time is jam notification, 2nd time is SC notification).

During descent from paper surface sensor OFF, the paper surface sensor does not switch ON even after T12 msec elapses (1st time is jam notification, 2nd time is SC notification).

During descent to the packing position, the full sensor does not switch ON even if T13 msec elapses.

SC724-80

B

Shift Motor Error (Internal finisher)

When the shift roller HP sensor is ON, the HP sensor does not switch OFF even when the shift roller motor is driven for T5 msec (1st time is jam notification, 2nd time is SC notification)

When the shift roller HP sensor is OFF, the HP sensor does not switch ON even when the shift roller motor is driven for T6 msec (1st time is jam notification, 2nd time is SC notification).

SC724-86

B

Stapler Motor Error (Internal finisher)

HP sensor does not switch OFF even when the stapler motor is driven for T7 msec after the stapler HP sensor switches ON (1st time is jam notification, 2nd time is SC notification).

HP sensor does not switch ON even when the stapler motor is driven for T8 msec after the stapler HP sensor switches OFF (1st time is jam notification, 2nd time is SC notification).



Motor defective

Connector disconnected

Motor overload

Home position sensor error

Paper surface sensor error (*SC724-38, 70 only)

Staple jam (*SC724-86 only)

Troubleshooting

Troubleshooting

Troubleshooting

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC761


Protection Device Intercept Error *V (bridge unit or left paper output tray)

SC761-03

B

Protection Device Intercept Error 5V

SC761-04

B

Protection Device Intercept Error 24V



Fuse blowout occurs due to over current during power injection (output detected for longer than 2 seconds).

Over current of bridge unit motor

Over current due to short-circuit in PCB

Replace the bridge unit

Replace the PCB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC761


Protection Device Intercept Error *V (bridge unit or left paper output tray)

SC761-03

B

Protection Device Intercept Error 5V

SC761-04

B

Protection Device Intercept Error 24V



Fuse blowout occurs due to over current during power injection (output detected for longer than 2 seconds).

Over current of bridge unit motor

Over current due to short-circuit in PCB

Replace the bridge unit

Replace the PCB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC761


Protection Device Intercept Error *V (bridge unit or left paper output tray)

SC761-03

B

Protection Device Intercept Error 5V

SC761-04

B

Protection Device Intercept Error 24V



Fuse blowout occurs due to over current during power injection (output detected for longer than 2 seconds).

Over current of bridge unit motor

Over current due to short-circuit in PCB

Replace the bridge unit

Replace the PCB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC780-01

D

Bank 1 (Upper optional paper tray) Protection Device Intercept Error



When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

Motor defective

Solenoid defective

Harness short- circuit

Replace the PCB

Replace the short-circuited part (harness, motor, solenoid)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC780-01

D

Bank 1 (Upper optional paper tray) Protection Device Intercept Error



When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

Motor defective

Solenoid defective

Harness short- circuit

Replace the PCB

Replace the short-circuited part (harness, motor, solenoid)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC780-01

D

Bank 1 (Upper optional paper tray) Protection Device Intercept Error



When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

Motor defective

Solenoid defective

Harness short- circuit

Replace the PCB

Replace the short-circuited part (harness, motor, solenoid)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution



Reset the connector

Replace the motor

Replace the sensor

Replace the harness

Remove the staple jam (*SC724-86 only)

Service Call 700-792


SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC780-01

D

Bank 2 (Lower optional paper tray) Protection Device Intercept Error



When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

Motor defective

Solenoid defective

Harness short- circuit

Replace the PCB

Replace the short-circuited part (harness, motor, solenoid)



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC791-00

D

No bridge unit when finisher is present



When power supply is switched on or paper is transported, finisher set is detected but bridge unit set is not detected. (during internal finisher connection, not detected)

Bridge unit not attached

Bridge unit defective

Reset the bridge unit

Turn the power off/on

Troubleshooting

Troubleshooting

Troubleshooting

Service Call 700-792



SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC792-00

B

No finisher, bridge unit provided



When power supply is switched on, it is recognized there is no finisher, and a bridge unit is fitted.

Finisher connector set fault

In a machine which has a bridge unit connected, a finisher is not fitted

Finisher defective

Connect finisher or disconnect bridge unit, and turn the power off/on