Technical data

A
General Information
This appendix contains general information that you may find useful.
A.1 Extended Service Messages
Table A–1 lists all service error messages and gives a brief description of the
error. For troubleshooting information, turn to Table 6–5 in Chapter 6.
Table A–1 Service Messages
Number
Message Description
50 SERVICE Fixing unit malfunction.
51 SERVICE The video control board fails to detect the beam detect (BD) signal from
the DC control board.
52 SERVICE The scanner motor is not up to speed.
SERVICE
53–59
Not used.
60 SERVICE This is a direct memory access (DMA) error that occurs after you power
up the printer.
61 SERVICE A checksum error was detected in the program and font ROMs.
63 SERVICE DRAM errors were detected after power-up.
68 SERVICE NVRAM errors were detected after printer power-up.
70 SERVICE Errors were detected in the expansion board RAM.
71 SERVICE Errors were detected in the S–CPU during power-up.
72 SERVICE A communication error occurred between the S–CPU and M–CPU.
73 SERVICE An error was detected in the S–CPU during operation.
74 SERVICE A power-up error is detected in the M–CPU.
(continued on next page)
General Information A–1