Map 10 - Unrecoverable Check Tray (X) Or Duplex Connection Message - Lexmark C920 Service Manual

Map 10 - Unrecoverable Check Tray (x) or Duplex Connection message

Step Questions/actions
1 Is the problem with a specific paper tray or the duplex
unit?
2 Is the problem with tray 1?
3 Are connectors CN8 and CN6 on the printer controller
board properly connected?
4 Is connector CN3 on the expansion paper feed control
card, for tray 1, properly connected?
5 Replace the tray 1 expansion feeder control card. Does
this fix the problem?
6 Are connectors CN9, CN8, CN7 and CN3 on the
expansion feeder control card (for the problem tray and
the trays above and below) properly connected?
7 Exchange the expansion feeder control board for the
problem tray with one above or below. Does the
symptom follow the exchanged card?
8 Are any of the pins or contacts on the duplex drawer
connectors bent or damaged?
9 Are connectors CN101 and CN102 on the duplex
interface card properly connected?
10 Replace the duplex interface card. Does this fix the
problem?
11 Replace the duplex interface cable. Does this fix the
problem?
12 Are CN16 on the printer controller board and CN3 on
the CK2 daughter board on the printer controller board
properly connected?
Yes No
Go to step 2. Go to step 8.
Go to step 3. Go to step 6.
Go to step 4. Properly connect
the connectors.
Go to step 5. Properly connect
the connectors.
Problem solved. Return the tray 1
expansion feeder
control card, and
replace the
printer controller
board. If the
problem remains,
replace the
expansion feeder
cable assembly.
Go to step 7. Properly connect
the connectors.
Replace the Replace the
defective upper and lower
expansion feeder expansion paper
control card. feed drawer
connecting cable
assemblies.
Go to step 9. Repair or replace
the connector.
Go to step 10. Properly connect
the connectors.
Problem solved. Return the
duplex interface
card and go to
step 11.
Problem solved. Go to step 12.
Replace the Properly connect
printer controller the connectors.
board. If the
problem remains,
replace the
duplex connector
cable.
Diagnostic information
5056-XXX
2-47