Brother HL-2400C Series - Manual (Page 185)

USER’S GUIDE
6–6
Service Call Messages
When any of the following messages appear on the LCD, turn the printer
Off , wait 5 seconds and then turn the printer On again. If this does not
clear the problem, consult your dealer or our authorized service
representative.
Service Call Message Meaning Action
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 write error Turn off the printer. Wait a few
seconds, then turn it on again.
67 NV-R ERROR NV-RAM read error Turn off the printer. Wait a few
seconds, then turn it on again.
68 NV-B ERROR NV-RAM write / read error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE C3 Engine NV-RAM error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE C4 Engine controller error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE C7 Process timing clock error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE D1 Y switching clutch error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE D2 M switching clutch error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 2 Address error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 3 Address error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 4 Bus error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 5 Bus error Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 6 Privileged instruction Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 8 Illegal instruction Turn off the printer. Wait a few
seconds, then turn it on again.
99 SERVICE 9 No FPU Turn off the printer. Wait a few
seconds, then turn it on again.