Kyocera 255b, Service Manual

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2K3/2L3
1-4-7
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 to service personnel and a four-digit error code indicating the type of the error.
(2) Self diagnostic codes
If the part causing the problem was not supplied, use the unit including the part for replacement.
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. .
0060 Engine PWB type error Defective engine
sub PCB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
0070 FAX control PWB incompat-
ible detection error
Abnormal detection of FAX
control PWB incompatibility In
the initial communication with
the FAX control PWB, any
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 1-5-33).
Defective main
PWB.
0120 MAC address data error
For data in which the MAC
address is invalid.
Defective flash
memory. Replace the main PWB and check for cor-
rect operation (see page 1-5-33).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-34).
0130 Backup memory read/write
error (main PWB) Defective flash
memory. Replace the main PWB and check for cor-
rect operation (see page 1-5-33).
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 1-5-33).
Defective main
PWB.