Adf Feed Errors Service Check - Lexmark X548 Series Service Manual

7525-63x
Step Questions / actions
Inspect the connections on the ADF relay card
10
in the ADF.
Are all the connections properly
connected?
Check the ADF cable for continuity.
11
Is there continuity?
Check for signals or voltages from JADF1 on
12
the RIP board. Pins 11 and 12 should measure
+24 V dc. Pin 5 should measure +14 V dc.
Are there signals or voltages present?

ADF feed errors service check

Step Questions / actions
If the ADF is multi-feeding, check for dirt on the
1
ADF separator pad and ADF separator rollers.
Is there dirt present?
If the paper is skewing when it is fed into the
2
ADF, check the paper guide width.
Is it set correctly?
If paper is skewing when fed or jamming check
3
to see if the top cover is open or ajar.
Is the ADF top cover open or ajar?
4 Is paper failing to feed into the ADF?
5 Is the leading edge of the paper wrinkled or
torn?
Perform the ADF paper present sensor test.
6
Go to
"SCANNER TESTS" on page
Is the sensor working properly?
Check the actuators to see if they are jammed,
7
or damaged.
Are they jammed or damaged?
Properly connect all the connections in the
8
ADF relay card and RIP board.
Did this fix the problem?
Service Manual
2-64
Yes
Go to step 11.
Go to step 11.
Replace the ADF unit. See
"Duplex ADF removal" on
page 4-87.
Yes
Clean them with a lint free
cloth and isopropyl alcohol.
Go to step 3.
Properly close the top cover.
Go to step 5.
Use different media.
Go to step 7.
3-26.
Replace the ADF. See
"Duplex ADF removal" on
page 4-87.
Problem resolved.
No
Secure all the connections.
Replace the ADF cable.
Replace the RIP board. Go
to
"RIP board removal" on
page 4-19.
No
Replace the separator pad
and ADF pick roll.
Set the paper guides so
they make contact with the
edges of the paper.
If the paper is jamming in
the ADF, see
"ADF paper
jam service check" on
page 2-63.
There is no issue.
Go to step 6.
Properly connect all the
connections in the ADF
relay card.
Go to step 8.
Go to step 9.
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