Lexmark X548 Series, Service Manual

Page: 109 / 347

Diagnostic information
2-65
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ADF duplex service check
9
Check the ADF cable for continuity.
Is there continuity?
Go to step 6. Replace the ADF cable. See
“ADF cable removal” on
page 4-89
.
10
Replace the ADF. Go to
“Duplex ADF
removal” on page 4-87
.
Does this fix the problem?
Problem resolved. Replace the RIP board. Go
to
“RIP board removal” on
page 4-19
.
Step Questions / actions Yes No
1
Perform sensor 1, and sensor 2 sensor tests.
Go to
“SCANNER TESTS” on page 3-26
.
Are the sensors working properly?
Go to step 2. Go to step 3.
2
Check the ADF sensor actuators to see if they
are dirty or jamming.
Are the actuators working properly?
Go to step 3. Clean the actuators. If any
actuators on the ADF are
broken, replace the ADF
unit. See
“Duplex ADF
removal” on page 4-87
.
3
Check all the connections on the ADF relay
card.
Are they properly connected?
Go to step 4. Properly connect all the
connections.
4
Check the ADF cable to ensure it is properly
connected to CN 15 on the ADF relay card,
and main RIP board at JADF1.
Is the ADF cable properly connected?
Go to step 5. Properly connect the ADF
cable to its connections.
5
Check the ADF cable for continuity. Make sure
pin 22 has continuity.
Is there continuity on pin 22?
Go to step 6. Replace the ADF cable. Go
to
“ADF cable removal” on
page 4-89
.
6
Replace the ADF. Go to
“Duplex ADF
removal” on page 4-87
.
Does this fix the problem?
Problem resolved Replace the RIP board. Go
to
“RIP board removal” on
page 4-19
.