Scanner Did Not Initiate Scan; No Response / 842.01 Hw Protocol / 842.02 Logical Protocol - Lexmark X925 Service Manual

7541-03x

841.06 Scanner did not initiate scan

Step Questions/actions
1 Check the cables connecting the RIP board to the
scanner for damage. Is there any visible damage?
2 Replace the faulty cables. Did this fix the problem?
3 Check the cables for continuity. Is there continuity?
4 Replace the faulty cable. Did this fix the problem?
5
Is the flatbed LED illuminating when the scan
command is issued?
6 Replace the CCD. Did this fix the problem?
7
Replace the ICC card. Did this fix the problem?
8 Replace the RIP board. Did this fix the issue?

842.00 No response / 842.01 HW protocol / 842.02 Logical protocol

Step Questions/actions
1 POR the device. Did the error re-occur?
2 Check all the connections from the ICC card to the
ADF relay card and RIP board to ICC card. Also check
the CCD cables for proper connectivity. Are the cables
properly connected?
3 Properly connect all the cables. Did this fix the issue?
4 Check the cables for continuity. Is there continuity?
Replace the faulty cable. Did this fix the issue?
5
6 Is the CCD LED illuminating and not moving when a
scan command is given?
7 Replace the ICC card. Did this fix the issue?
8 Replace the ADF relay card. Did this fix the issue?
9 Replace the RIP board. Did this fix the issue?
2-58
Service Manual
Yes No
Go to step 2. Go to step 3.
Problem resolved Go to step 3.
Go to step 5. Go to step 4.
Problem resolved Go to step 5.
Go to step 6. Go to step 7.
Problem resolved Go to step 7.
Problem resolved Go to step 8.
Problem resolved Contact second
level support.
Yes No
Go to step 2. Problem resolved
Go to step 3 Go to step 4.
Problem resolved Go to step 4.
Go to Step 6. Go to step 5.
Problem resolved Go to step 6.
Replace the Go to step 7.
CCD.
Problem resolved Go to step 8.
Problem resolved Go to step 9.
Problem resolved Contact your
second level
support.