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Service Call Messages
Service Call Message
50 FUSER MALF
51 LASER BD MALF
52 SCANNER MALF
53 DX FAN MALF
54 MOTOR MALF
55 HIGH VOL MALF
61 PROG ERROR
62 FONT ERROR
63 D-RAM ERROR
66 NV-W ERROR
67 NV-R ERROR
68 NV-B ERROR
60 SYSTEM ERROR
48 INCORRECT LT
49 INCORRECT DX
Meaning
Malfunction of fuser
Malfunction of laser beam
detector
Malfunction of laser scanner
motor
Malfunction of fan motor in
the duplex unit
Malfunction of main motor
Malfunction of high voltage
power supply
Program ROM checksum error Turn off the printer. Wait a few
Font ROM checksum error
D-RAM error
NV-RAM error
NV-RAM error
NV-RAM error
System error
Your lower tray is an LT-1200,
and it is not the correct tray for
your 16/17 ppm printer.
Your duplex unit is a DX-
1200, and it is not correct for
your 16/17 ppm printer.
CHAPTER 7 TROUBLESHOOTING
Action
Turn off the printer. Wait 15
minutes, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Turn off the printer. Wait a few
seconds, then turn it on again.
Change LT-1200 to LT-1600
Change DX-1200 to DX-1600
7–5
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