Black Or Blank Page Copy Service Check; Ccd Service Check; Flatbed Motor Service Check - Lexmark X543 Service Manual

7525-xxx

Black or blank page copy service check

Step Questions / actions
1 Print a menu page, or a page from the host.
Is the page black?
2 Is the copy an ADF scan?
3 Run a flat bed copy.
Is it blank or black?
4 Did the sheet feed into the ADF?
5 Is the CCD ribbon cable properly connected
to JCCD1 on the controller board?
6 Check for +14VDC on Pin 33 and 34 on
connector JCCD1. Pin 31 and 32 are
+5VDC. Are the voltages present?

CCD service check

Step Questions / actions
1 Restart the device, and retry the scan / copy
job. Repeat this step with a few copy jobs.
Does the error return?
2 Is the CCD ribbon cable properly connected
to JCCD1 on the controller board?
3 Replace the flatbed unit. See
removal" on page
Did this resolve the issue?

Flatbed motor service check

Step Questions / actions
1 Ensure that the flatbed motor cable (JFB1)
is connected. Is the cable connected?
2 Check pin 1 in JFBM1 for voltage. The
voltage is only present when a flatbed copy
job is running. The voltage should measure
+24V AC. Is voltage present?
Service Manual
2-68
See
color page" on page 2-59
Go to step 3.
Go to step 5
Go to step 6.
Replace the flatbed unit.
See
page
Go to step 2.
Go to step 3.
Problem resolved.
"Flatbed
4-77.
Go to step 2.
Replace the flatbed unit.
See
page
Yes
Go to step 2.
"Print quality—solid
Go to step 4.
Go to step 4
Go to step 5.
Properly connect the ribbon
cable to JCCD1.
Replace the system board.
See
"Flatbed removal" on
4-77. removal" on page
Yes
No issue.
Properly connect the ribbon
cable to JCCD1.
Replace the system board.
See
removal" on page
Yes
Properly connect the cable.
Replace the controller
board. Go to
"Flatbed removal" on
4-77. board removal" on
page
No
"Controller board
4-18.
No
"Controller board
4-18.
No
"Controller
4-18.
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