2-46 Service Manual
5022-xxx
920.17—POST (power on self test) error service check
920.18—POST (power on self test) error service check
920.19—POST (power on self test) error service check
Models C52x only
Step Questions / actions Yes No
1 Turn the printer off, and remove the rear cover.
Check the connector JBIN1 for proper
connection to the system card, the cable for
pinch points, and the cable or connector for
any other damage.
Is the cable damaged?
Replace the top access
cover assembly. See “Top
access cover assembly
removal—model C52x
only” on page 4-28 or “Top
access cover assembly
removal—model C53x
only” on page 4-32.
Go to step 2.
2
Replace the top access cover assembly. “Top
access cover assembly removal—model
C52x only” on page 4-28 or “Top access
cover assembly removal—model C53x
only” on page 4-32.
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
Step Questions / actions Yes No
1 Turn the printer off, and remove the rear cover.
Check the connector JOPT1 for proper
connection to the system card, the cable for
pinch points, and the cable or connector for
any other damage.
Is the cable damaged?
Replace the option cable. Go to step 2.
2
Replace the 500-sheet assembly (C52x
models) or the 550-sheet assembly (C53x
models).
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
Step Questions / actions Yes No
1 Replace the EP drive assembly. See
“Electrophotographic (EP) drive assembly
removal—model C52x only” on page 4-48.
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
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