Diagnostics information 2-57
Black or blank page copy service check
CCD service check
Flatbed motor service check
Step Questions / actions Yes No
1 Print a menu page, or a page from the host.
Is the page black?
See “Black page” on
page 2-48
Go to step 2.
2 Is the copy an ADF scan? Go to step 4. Go to step 3.
3 Run a flatbed copy.
Is it blank or black?
Go to step 5 Go to step 4
4 Did the sheet feed into the ADF? Go to step 6. Go to step 5.
5 Is the CCD ribbon cable properly connected
to J30 on the controller board?
Go to step 6. Properly connect the ribbon
cable to J30.
6 Check for +14VDC on Pin 3 and 4 on
connector J30. Pin 4 is +5VDC. Are the
voltages present?
Replace the flatbed unit.
See “Flatbed assembly
removal” on page 4-50.
Replace the controller
board. See “Controller
board removal” on
page 4-16.
Step Questions / actions Yes No
1 Restart the device, and retry the scan / copy
job. Repeat this step with a few copy jobs.
Does the error return?
Go to step 2. No issue.
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. See “Flatbed
removal” on page 4-53.
Did this resolve the issue?
Problem resolved. Replace the controller
board. See “Controller
board removal” on
page 4-16.
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.
See “Flatbed removal” on
page 4-53.
Replace the controller
board. Go to “Controller
board removal” on
page 4-16.
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