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ELECTRICAL COMPONENT DESCRIPTION
1000-Sheet Finisher SR790/SR3090
B408/D588
1000-Sheet Finisher SR790/SR3090
B408/D588
1000-Sheet Finisher SR790/SR3090
B408/D588
4.3 ELECTRICAL COMPONENT DESCRIPTION
Symbol | Name | Function | Index No. |
Motors | |||
M1 | Upper Transport | Drives the entrance roller and upper transport rollers. | 32 |
M2 | Lower Transport | Drives the lower transport rollers and the positioning roller. | 29 |
M3 | Jogger Fence | Drives the jogger fences. | 26 |
M4 | Staple Hammer | Drives the staple hammer. | 17 |
M5 | Stack Feed-out | Drives the stack feed-out belt. | 27 |
M6 | Exit Guide Plate | Opens and closes the exit guide plate. | 4 |
M7 | Exit | Drives the exit roller. | 31 |
M8 | Lower Tray Lift | Moves the lower tray up or down. | 23 |
M9 | Shift | Moves the shift roller from side to side. | 11 |
M10 | Stapler | Moves the stapler unit from side to side. | 25 |
Sensors | |||
S1 | Entrance | Detects copy paper entering the finisher and checks for misfeeds. | 3 |
S2 | Paper Limit | Detects when the paper stack height in the upper tray is at its limit. | 2 |
S3 | Jogger Fence HP | Detects when the jogger fence is at home position. | 12 |
S4 | Shift HP | Detects when the shift roller is at home position. | 10 |
S5 | Stack Feed-out Belt HP | Detects when the stack feed-out belt is at home position. | 19 |
S6 | Stapler HP | Detects when the stapler is at home position. | 14 |
S7 | Exit Guide Plate HP | Detects when the exit guide plate is at home position. | 5 |
S8 | Stapler Tray Entrance | Detects copy paper entering the stapler tray and checks for misfeeds. | 15 |
S9 | Lower Tray Exit | Checks for misfeeds. | 8 |
S10 | Stack Height | Detects the top of the copy paper stack. | 7 |
S11 | Lower Tray Lower Limit | Detects when the lower tray is at its lower limit position. | 24 |
S12 | Stapler Tray Paper | Detects when there is copy paper in the stapler tray. | 16 |
S13 | Staple Sheet | Detects the leading edge of the staple sheet. | 18 |
S14 | Stapler Rotation HP | Detects when the staple hammer is at home position. | 20 |
S15 | Staple | Detects whether there are staples in the staple cartridge. | 21 |
Solenoids | |||
SOL1 | Tray Junction Gate | Drives the tray junction gate. | 22 |
SOL2 | Stapler Junction Gate | Drives the stapler junction gate. | 30 |
ELECTRICAL COMPONENT DESCRIPTION
Symbol | Name | Function | Index No. |
SOL3 | Positioning Roller | Moves the positioning roller. | 13 |
Switches | |||
SW1 | Lower Tray Upper Limit | Detects when the lower tray is at its upper limit position. | 9 |
SW2 | Front Door Safety | Cuts the dc power when the front door is opened. | 6 |
SW3 | Upper Cover | Cuts the dc power when the upper cover is opened. | 1 |
PCBs | |||
PCB1 | Main | Controls the finisher and communicates with the copier/printer. | 28 |