2KZ/2K0
1-4-9
1-4-2 Self-diagnostic function
(1) Self-diagnostic function
This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print-
ing and display an error message on the operation panel. An error message consists of a message prompting
a contact with service personnel and a four-digit error code indicating the type of the error.
(2) Self-diagnostic codes
If the part causing the problems not designated as a service part, replace the assembly comprising the part.
Code Contents Causes
Check procedures/
corrective measures
0030 FAX control PWB system
error
Processing with the fax soft-
ware was disabled due to a
hardware problem.
Defective FAX con-
trol PWB.
Replace the fax control PWB and check for
correct operation.
0070 FAX control PWB incompat-
ible detection error
In the initial communication
with the FAX control PWB, the
normal communication com-
mand is not transmitted.
Defective FAX soft-
ware.
Install the fax software.
Defective FAX con-
trol PWB.
Replace the fax control PWB and check for
correct operation.
0100 Backup memory device
error
Defective flash
memory.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
Defective main
PWB.
0120 MAC address data error
The data includes an invalid
MAC address.
Defective flash
memory.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
0130 Backup memory read/write
error (main PWB)
Defective flash
memory.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
Defective main
PWB.
0140 Backup memory data error
(main PWB)
Defective flash
memory.
Replace the main PWB and check for cor-
rect operation (see page 1-5-30).
Defective main
PWB.
Y113010-4 Sevice Manual
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