2-10 Service Manual
5056-XXX
912 - High-Capacity Feed Motor Error
917 - RIP Fan Error
918 - Main Unit Fan Error
919 - Power Supply Fan Error
Step Questions/actions Yes No
1 Is connector CN22 on the printer controller board
securely connected?
Go to “High-
capacity feeder
(HCF) service
check” on
page 2-53.
Plug the
connector in
securely.
917 Service
Fan Error
Step Questions/actions Yes No
1 Is connector J5 on the RIP board connected properly? Go to step 2. Properly connect
J5.
2
Is 24 V dc present between pins 1 and 3 of connector
J5 on the RIP board?
Replace the RIP
fan.
Go to step 3.
3
Is 24 V dc present between pin 80 of the RIP/printer
controller and ground?
Replace the RIP
board.
Replace the
printer controller
board.
Step Questions/actions Yes No
1 Are CN14 on the printer controller board and CN03 on
the printhead controller board properly connected?
Go to step 2. Connect CN14
and CN03.
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?
Replace the
failing fan.
Replace the
printer controller
board.
Step Questions/actions Yes No
1 Is CN17 on the printer controller board properly
connected?
Go to step 2. Connect CN17.
2
Is CN6 on the CK2 daughter board properly
connected?
Go to step 3. Connect CN6.
3
Is +24 V present between pins 1 and 3 of connector
CN6 on the CK2 daughter board?
Replace the
power supply fan.
Replace the
printer controller
board.
4
Did either exchange solve the problem? Problem solved. Replace the CK2
daughter board.
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