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Step
Questions / actions
Check the CAM motor cable from the cam
3
motor to the motor driver card for poor
connections or damage.
Is the cable damaged?
Measure the continuity across all of the fuses
4
on the system board.
Are any of the fuses blown?
Visually inspect the motor driver card.
5
Is the motor driver card damaged?
1. Connect a new motor driver card without
6
mounting it to the printer.
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
3. Navigate to MOTOR TESTS > CAM.
Did the motor run?
1. Reinstall old motor driver card to the
7
printer.
2. Plug in the CAM motor of the EP drive
assembly to the EP driver card electrically
without installing it into printer.
3. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
4. Navigate to MOTOR TESTS > CAM.
Did the motor run?
Yes
Replace the EP drive
assembly. See
"Electrophotographic
(EP) drive assembly
removal" on page
4-98.
Replace the system board.
See
"System board
removal" on page
4-163.
Replace the motor driver
card. See
"Motor driver
card removal" on
page
4-129.
Install the new motor driver
card.
Replace EP drive
assembly. See
"Electrophotographic
(EP) drive assembly
removal" on page
4-98.
5026
No
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
Replace system board.
See
"System board
removal" on page
4-163.
Diagnostic information
2-59
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