
Troubleshooting Symptom Charts /Miscellaneous - 14
Miscellaneous
Control panel
switches don’t work
1 Test control panel switches; if defective, replace control
panel PCA.
2 Replace main board.
Intermittent network
problems—print head
resets when idle and/
or printer stops
printing
Replace ROM 02 on logic board with ROM 03.
Error light blinks Close front cover.
Error light on, Select
light off
Add paper, or check for improperly inserted paper.