Problems Related To The Control Panel - Fujitsu DL7600 Maintenance Manual

3.1.6 Problems related to the control panel

1 Switches on the control panel are disabled.
2 Lamps on the control panel do not go on properly.
Symptom Cause
• The printer is online.
• The connection between
the control panel board
and control board is
defective.
• The printer is in alarm
state.
• The control board is
defective.
• The control panel board
is defective.
• The connection between
the control panel board
and control board is
defective.
• The control board is
defective.
• The control panel board
is defective.
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Response
• Turn the printer offline.
• Connect the cable
properly, or replace the
cable.
• Check the fault and then
turn on the power again.
If the fault is an unusual
order or smoke
emission, eliminate the
fault cause before
turning on the power
again.
• Replace the control
board.
• Replace the control
panel board.
• Connect the cable
properly or replace the
cable.
• Replace the control
board.
• Replace the control
panel board.