Flatbed Motor Service Check; Flatbed Home Position Service Check; Go Back - Lexmark X548 Series Service Manual

Step Questions / actions
2 Is the CCD ribbon cable properly connected
to JCCD1 on the RIP board?
Replace the flatbed unit. See
3
removal" on page
Did this resolve the issue?

Flatbed motor service check

Step Questions / actions
Ensure that the flatbed motor cable (JFB1) is
1
connected.
Is the cable connected?
Check pin 1 in JFBM1 for voltage. The voltage
2
is only present when a flatbed copy job is
running. The voltage should measure +24 V
ac.
Is voltage present?

Flatbed home position service check

Step Questions / actions
POR the printer.
1
Does the CCD move and return to the home
position?
Perform the home position sensor test. Go to
2
"SCANNER TESTS" on page
Is the sensor working properly?
Check JFBM1 on the controller for proper
3
connection.
Is it connected properly?
Check pin 1 in JFBM1 for voltage. The voltage
4
is only present when a flatbed copy job is
running. The voltage should measure +24 V
ac.
Is voltage present?
Ensure that the home position cable (JHS1) is
5
connected.
Is the cable connected?
"Flatbed
4-75.
3-26.
Yes
Go to step 3.
Problem resolved.
Yes
Go to step 2.
Replace the flatbed unit.
See
"Flatbed removal" on
page 4-75.
Yes
Problem solved.
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
7525-63x
No
Properly connect the ribbon
cable to JCCD1.
Replace the RIP board. See
"RIP board removal" on
page 4-19.
No
Properly connect the cable.
Replace the RIP board. Go
to
"RIP board removal" on
page 4-19.
No
Go to step 2.
Go to step 5.
Properly connect the cable.
Replace the RIP board. Go
to
"RIP board removal" on
page 4-19.
Properly connect the cable.
Diagnostic information
2-61
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