2-40 Service Manual
5022-xxx
920.06—POST (power on self test) error service check
920.07—POST (power on self test) error service check
920.08—POST (power on self test) error service check
Step Questions / actions Yes No
1 Replace the paper pick mechanism. See
“Paper pick mechanism assembly removal”
on page 4-68.
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 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?
Replace the paper pick
mechanism. See “Paper
pick mechanism assembly
removal” on page 4-68.
Go to step 2.
2
Check the transparency sensor for correct
mounting.
Is the transparency sensor properly mounted
in the paper pick mechanism?
Go to step 3. 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.
3
Replace the paper pick mechanism. See
“Paper pick mechanism assembly removal”
on page 4-68.
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 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?
Replace the fuser cable. Go to step 2.
2
Remove the fuser. See “Fuser removal” on
page 4-60. Check the DC autoconnects on
both the fuser and the printer for damage.
Are the connectors damaged?
Replace the JFUSER1
cable.
Go to step 3.
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