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