Post (Power On Self Test) Error Service Check - Lexmark C52 series Service Manual

5022-xxx
920.06—POST (power on self test) error service check
Step Questions / actions
1 Replace the paper pick mechanism. See
"Paper pick mechanism assembly removal"
on page 4-68.
Does the error clear?
920.07—POST (power on self test) error service check
Step Questions / actions
1 Turn the printer off, and remove the rear cover.
Check the connector JTRAY1 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?
2 Check the transparency sensor for correct
mounting.
Is the transparency sensor properly mounted
in the paper pick mechanism?
3 Replace the paper pick mechanism. See
"Paper pick mechanism assembly removal"
on page 4-68.
Does the error clear?
920.08—POST (power on self test) error service check
Step Questions / actions
1
Turn the printer off, and remove the rear cover.
Check the connector JFUSER1 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?
2 Remove the fuser. See
page 4-60. Check the DC autoconnects on
both the fuser and the printer for damage.
Are the connectors damaged?
2-40
Service Manual
"Fuser removal" on
Yes
Problem solved.
Yes
Replace the paper pick
mechanism. See "Paper
pick mechanism assembly
removal" on page 4-68.
Go to step 3.
Problem solved.
Yes
Replace the fuser cable.
Replace the JFUSER1
cable.
No
Replace the system card.
See "System card
removal" on page 4-92.
No
Go to step 2.
Remove the paper pick
mechanism, properly install
the transparency sensor,
and reinstall the paper pick
mechanism. See "Paper
pick mechanism assembly
removal" on page 4-68.
Replace the system card.
See "System card
removal" on page 4-92.
No
Go to step 2.
Go to step 3.