High-Capacity Feed Motor Error; Rip Fan Error; Main Unit Fan Error; Power Supply Fan Error - Lexmark C920 Service Manual

5056-XXX

912 - High-Capacity Feed Motor Error

Step Questions/actions
1 Is connector CN22 on the printer controller board
securely connected?

917 - RIP Fan Error

917 Service
Fan Error
Step Questions/actions
1 Is connector J5 on the RIP board connected properly?
2
Is 24 V dc present between pins 1 and 3 of connector
J5 on the RIP board?
3 Is 24 V dc present between pin 80 of the RIP/printer
controller and ground?

918 - Main Unit Fan Error

Step Questions/actions
1 Are CN14 on the printer controller board and CN03 on
the printhead controller board properly connected?
2 Is +24V present between pins and 1 and 3 on
connectors CN12 (upper left fan) and CN11 (upper
right fan) on the printer controller board?

919 - Power Supply Fan Error

Step Questions/actions
1 Is CN17 on the printer controller board properly
connected?
2 Is CN6 on the CK2 daughter board properly
connected?
3 Is +24 V present between pins 1 and 3 of connector
CN6 on the CK2 daughter board?
4 Did either exchange solve the problem?
2-10
Service Manual
Yes No
Go to "High- Plug the
capacity feeder connector in
(HCF) service securely.
check" on
page 2-53.
Yes No
Go to step 2. Properly connect
J5.
Replace the RIP Go to step 3.
fan.
Replace the RIP Replace the
board. printer controller
board.
Yes No
Go to step 2. Connect CN14
and CN03.
Replace the Replace the
failing fan. printer controller
board.
Yes No
Go to step 2. Connect CN17.
Go to step 3. Connect CN6.
Replace the Replace the
power supply fan. printer controller
board.
Problem solved. Replace the CK2
daughter board.