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4026-0XX
Cover Interlock Service Check
FRU
1
Right Hand
Transfer
Bracket
2
Top Cover
Interlock
Switch
LVPS
3
D-Roll Assembly Service Check
FRU
1
D-Roll
2
D-Roll Clutch
Assembly
3
Solenoid
4
Paper Feed
Drive Gears
2-16
Action
Check the right hand transfer bracket actuator
arm to be sure it contacts the interlock switch
actuator mounted in the LVPS.
Replace the bracket if the arm is damaged or
broken.
If the interlock switch is being actuated correctly,
check the continuity of the switch between
CN7A-1 and CN7A-2 on the cable as you acti-
vate the switch. If incorrect, replace the LVPS.
Be sure the voltage at CN7-1 measures +24 V
dc. If incorrect, turn the printer power off and
disconnect the LVPS cable from the engine
board. Turn the printer power on. The voltage on
the LVPS cable pin 1 should measure approxi-
mately +24 V dc. If incorrect, replace the LVPS.
If correct, go to the
Service Check" on page
Action
Check the D-roll for wear, broken, or worn parts.
Replace as necessary.
Be sure the clutch assembly operates correctly.
Replace as necessary.
Be sure the paper feed solenoid operates cor-
rectly. If the solenoid fails to pick, go to the
"Paper Take-Up Solenoid Service Check" on
page
2-32.
Be sure the main drive/paper feed gears operate
correctly. Check for broken teeth or damaged
gears. Replace as necessary.
"Low Voltage Power Supply
2-22.
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