Lexmark X548 Series, Service Manual

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2-64
Service Manual
7525-63 x
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ADF feed errors service check
10
Inspect the connections on the ADF relay card
in the ADF.
Are all the connections properly
connected?
Go to step 11. Secure all the connections.
11
Check the ADF cable for continuity.
Is there continuity?
Go to step 11. Replace the ADF cable.
12
Check for signals or voltages from JADF1 on
the RIP board. Pins 11 and 12 should measure
+24 V dc. Pin 5 should m14 V dc.
Are there signals or voltages present?
Replace the ADF unit. See
“Duplex ADF removal” on
page 4-87
.
Replace the RIP board. Go
to
“RIP board removal” on
page 4-19
.
Step Questions / actions Yes No
1
If the ADF is multi-feeding, check for dirt on the
ADF separator pad and ADF separator rollers.
Is there dirt present?
Clean them with a lint free
cloth and isopropyl alcohol. Replace the separator pad
and ADF pick roll.
2
If the paper is skewing when it is fed into the
ADF, check the paper guide width.
Is it set correctly?
Go to step 3. Set the paper guides so
they make contact with the
edges of the paper.
3
If paper is skewing when fed or jamming check
to see if the top cover is open or ajar.
Is the ADF top cover open or ajar?
Properly close the top cover. If the paper is jamming in
the ADF, see
“ADF paper
jam service check” on
page 2-63
.
4 Is paper failing to feed into the ADF?
Go to step 5. There is no issue.
5
Is the leading edge of the paper wrinkled or
torn?
Use different media. Go to step 6.
6
Perform the ADF paper present sensor test.
Go to
“SCANNER TESTS” on page 3-26
.
Is the sensor working properly?
Go to step 7. Properly connect all the
connections in the ADF
relay card.
7
Check the actuators to see if they are jammed,
or damaged.
Are they jammed or damaged?
Replace the ADF. See
“Duplex ADF removal” on
page 4-87
.
Go to step 8.
8
Properly connect all the connections in the
ADF relay card and RIP board.
Did this fix the problem?
Problem resolved. Go to step 9.
Step Questions / actions Yes No