Adf Cover Open Service Check - Lexmark X548 Series Service Manual

7525-63x
Step Questions / actions
Check pin 1 in JHS1 for voltage. The voltage
6
should measure +5 V dc. pin 2 should be GND.
Is voltage present and is it correct?

ADF cover open service check

Step Questions / actions
1 Is the ADF cover properly closed?
Close the ADF cover.
2
Does the problem go away?
Perform the ADF cover open sensor test. Go to
3
"SCANNER TESTS" on page
Does the sensor work properly.
On the bottom of the ADF cover, inspect the
4
ADF cover closed sensor actuator.
Does it move freely?
Fix the actuator so it moves freely.
5
Did this fix the problem?
Remove the ADF rear cover and inspect the
6
ADF cover closed sensor for dirt and debris.
Are there dirt and debris present?
Clean the dirt and debris from the sensor.
7
Did this fix the problem?
Inspect the connections on the ADF relay card
8
in the ADF.
Are they properly connected?
Check the ADF cable for continuity.
9
Is there continuity?
Check for signals or voltages from JADF1 on
10
the RIP board. Pins 11 and 12 should measure
+24VDC. Pin 5 should measure +14VDC.
Are there signals or voltages present?
Service Manual
2-62
Replace the flatbed unit.
See
"Flatbed removal" on
page 4-75.
Go to step 3.
Issue resolved
Go to step 4
3-26.
Go to step 6.
Problem resolved.
Go to step 7.
Problem resolved.
Go to step 9.
Go to step 10.
Replace the ADF. See
"Duplex ADF removal" on
page 4-87.
Yes
Replace the RIP board. Go
to
"RIP board removal" on
page 4-19.
Yes
Go to step 2.
Go to step 3.
Go to step 8.
Go to step 5.
Go to step 6.
Go to step 8.
Go to step 8.
Secure all the connections.
Replace the ADF cable. See
"ADF cable removal" on
page 4-89.
Replace the RIP board. See
"RIP board removal" on
page 4-19.
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