Brother HL-1660E - Manual (Page 180)

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.
99 SERVICE 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