Step Questions / actions Yes No
2
Is the CCD ribbon cable properly
connected to J30 on the controller
board?
Go to step 3.
Properly connect the
ribbon cable to J30.
3
Replace the flatbed unit ( p.111
"Flatbed Removal").
Did this resolve the issue?
Problem resolved.
Replace the controller
board (p.44
"Controller Board
Removal").
Flatbed Motor Service Check
Step Questions / actions Yes No
1
Ensure that the flatbed motor cable (J28)
is connected to the controller board. Is the
cable connected?
Go to step 2.
Properly connect the
cable.
2
Check pin 1 in J28 for voltage. The
voltage is only present when a flatbed
copy job is running. The voltage should
measure +24V AC. Is voltage present?
Replace the flatbed
unit ( p.111
"Flatbed Removal").
Replace the controller
board ( p.44
"Controller Board
Removal").
Flatbed Home Position Service Check
Step Questions / actions Yes No
1
POR the machine. Does the CCD move
and return to the home position?
Problem solved. Go to step 2.
2
Perform the home position sensor test. See
“Scanner Tests” in “System
Maintenance”.
Is the sensor working properly?
Go to step 3. Go to step 5.
3
Check J28 on the controller board for
proper connection.
Is it connected properly?
Go to step 4.
Properly connect the
cable.
6. Troubleshooting
268
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