Scanner Locked Error Service Check - Lexmark X746de Service Manual

Step Questions / actions
1. Remove the ADF motor side cover.
7
2. Check the cabling (ADF front assembly to
scanner ICC card) (A).
Is the cable damaged?
1. Remove the left cover. See
8
side cover removal" on page
2. Check the cabling (scanner MDC card to
scanner ICC card) (A).
Is the cable damaged?

292.01 Scanner locked error service check

Step Questions / actions
1. Check if the scanner lock is set to unlock.
1
2. Check the condition of the CCD module.
3. Check the condition of the carriage
transport belt.
4. Check if there is something that would
cause the CCD module to be obstructed.
Is the CCD path free of obstruction and
damage?
1. Check the LVPS connection on the
2
system card, JLVPS1 and JLVPS2 for
proper connection.
2. Reseat cables and check the voltages on
on the JLVPS2 connectors:
- Red cable = 5V
- Yellow cable = 24V.
3. Check the voltages on JLVPS1:
- Yellow cable = 24V.
Are these voltages present?
Go to step 8.
Replace the ICC card. See
"ADF motor
4-212. "Scanner ICC card
removal" on page 4-258
Go to step 2.
Go to step 3.
Yes
Replace the cable.
Replace the cable. See
"UICC cable removal" on
page 4-188.
Yes
Clear obstruction or
reinstall parts that are
dislodged.
Replace the LVPS. See
"Low-voltage power
supply (LVPS) removal"
on page
Diagnostic information
7526
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