Diagnostic information 2-39
5022-xxx
920.04—POST (power on self test) error service check
920.05—POST (power on self test) error service check
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 DC
autoconnect cable.
Go to step 3.
3
Check for the following continuity between the
DC autoconnect and FUSER1.
Is continuity present?
Go to step 4. Replace the DC fuser cable.
4
Replace the fuser. See “Fuser removal” on
page 4-60.
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 printhead card. See “Printhead
removal” on page 4-74.
Does the error clear?
Problem solved. Replace the system card.
See “System card
removal” on page 4-79.
1
2
3
468
579
10
pin 1
pin 6
pin 10
pin 8
Pin
configuration
pin 8
DC autoconnect JFUSER1
DC autoconnect JFUSER1
Pin 3 Pin 3
Pin 8 Pin 8
Pin 9 Pin 9
Pin 10 Pin 10