Action Yes No
Step 7
Check the media pusher assembly mechanism:
• Check the media pusher assembly, media pusher arm, and sensor flag
for damage.
• Pull the media pusher and check if it retracts
• Make sure that obstructions to the media pusher arm are removed.
• Check if the media pusher sensor flag engages properly with the sensor
(media pusher HP).
Open the left cover, reseat all connectors on the controller board and then
POR the machine.
Is the media pusher assembly functional and free of damage?
Go to step 8. Replace the media
pusher assembly. See
“Media pusher
assembly removal” on
page 765.
Step 8
a Make sure the following components are properly installed:
• sensor (right tamper motor HP)
• sensor (left tamper motor HP)
• tamper motor (right)
• tamper motor (left)
b Check the tamper assembly components:
• Check if the tampers can be adjusted. Move the right and left
tampers to the middle, and then back to its original position.
• Check the tamper assembly mechanism and home position sensor
flags for damage.
Are the tamper assembly components functional and free of damage?
Go to step 9. Replace the tamper
assembly. See
“Tamper
assembly removal” on
page 747.
Step 9
Check the tamper drive belt.
Is it free of damage?
Go to step 10. Replace the tamper
drive belt. See
“Tamper
drive belt removal” on
page 750.
Step 10
Check the drive gear assembly mechanism:
• Remove the finisher option from the printer. From the bottom of the
option, turn the lowermost drive gear clockwise. Make sure the rollers
engaged to the lowermost gear will also turn.
• Check the drive gear assembly for damage.
Is the drive gear assembly functional and free of damage?
Go to step 11. Replace the stapler
drive gear assembly.
See
“Stapler/offset
stacker drive gear
assembly removal” on
page 761.
Step 11
Check the main motor connections. Reseat the motor cable J3 on the
controller board.
Does the error remain?
Go to step 12. The problem is solved.
7463
Diagnostic information
190
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