Chapter 3 Troubleshooting; Troubleshooting Table - Fujitsu ULTIMA90 Maintenance Manual

CHAPTER 3 TROUBLESHOOTING

This chapter helps pinpoint the causes of problems with the printer.
Section 3.1 is a troubleshooting table. The table shows how to determine what is wrong with the printer and what
to do to correct the problem.
Section 3.2 explains error displays on the control panel that help clarify the cause of a problem.
Section 3.3 explains the self-correction functions of the DL7600 printer. For
replacement and adjustment after recovery, see Chapter 4.
3.1 Trouble shooting Table
3.1.1 Problems at power-on initialization (part 001/4)
Symptom
1 The POWER lamp does
not go on.
2 The POWER lamp
comes on momentarily,
but goes off. Then, turn
the power switch OFF,
and turn on the power
after 10 to 20 seconds.
However, the
POWER lamp does not
go on.
3.1.1 Problems at power-on initialization (part 002/4)
3 The POWER lamp is
on.
－
The power cord is connected
properly.
+40 V over voltage alarm
Symptom
After the POWER lamp goes on,
simultaneous blinking of
all other lamps is not performed.
After the POWER lamp goes
on, simultaneous blinking of all
other lamps is performed but
initialization is not performed
normally.
After the POWER lamp goes
on, simultaneous blinking of all
Cause
The power cord is not
connected to the outlet
or the printer.
The power cord is
defective.
The power supply is
defective.
The control board is
defective.
The control panel board
is defective.
The cable connected to
the control panel board
is defective.
The power supply is
failing. (The power
supply becomes a high
voltage.)
Cause
The control board Is
defective.
The cover is open.
The cover open switch
assembly is defective.
The interface cable is
defective.
16
Response
Connect the power cord
properly
Replace the power cord.
Replace the power
supply.
Replace and initialize the
control board.
Replace the control
panel board.
Check the connection.
Check the cable.
Replace the power supply
unit.
Response
Replace and initialize
the control board.
Close the front cover.
Replace the cover open
switch assembly.
Replace the interface
cable.