HL-1850/1870N SERVICE MANUAL
6-9
Error Messages Meaning Remedy
ERROR E49
Malfunction of fuser
detected by hard wear.
Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-9
Fuser failure in this chapter.
ERROR E50
Malfunction of fuser
detected
Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-9
Fuser failure in this chapter.
ERROR E51
Malfunction of laser
beam detector
Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-8
Scanner failure in this chapter.
ERROR E52
Malfunction of laser unit
motor
Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-8
Scanner failure in this chapter.
ERROR E54
Malfunction of main
motor
Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-4
No paper supplied in this chapter.
ERROR H60
Bus error Turn off the printer. Wait a few seconds,
and then turn it on again.
ERROR H61
Program ROM checksum
error
Turn off the printer. Wait a few seconds,
and then turn it on again.
ERROR H63
D-RAM error Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-10
ROM error / D-RAM error / NV-RAM error
in this chapter.
ERROR H66
NV-RAM writing error Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-10
ROM error / D-RAM error / NV-RAM error
in this chapter.
ERROR H67
NV-RAM reading error Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-10
ROM error / D-RAM error / NV-RAM error
in this chapter.
ERROR H68
NV-RAM bus error Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-10
ROM error / D-RAM error / NV-RAM error
in this chapter.
ERROR H73
Flash reading error Turn off the printer. Wait a few seconds,
and then turn it on again.
ERROR H74
Flash writing error Turn off the printer. Wait a few seconds,
and then turn it on again.
ERROR H37
PCI registering error Turn off the printer. Wait a few seconds,
and then turn it on again.
ERROR H38
PCI bus error Turn off the printer. Wait a few seconds,
and then turn it on again. Refer to M-13
PCI BUS error is chapter.
ERROR H39
BR-NET typing error
Turn off the printer. Wait a few seconds,
PR2001022
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