Kyocera TASKalfa 2551ci, Service Manual

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2NP
1-4-13
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 PWB.
1. Turn the main power swtch off and after
5 seconds, re-mount the FAX controller
PWB, then turn power on.
2. Reinstall the fax software.
3. Replace the FAX control PWB.
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.
1. Install the FAX system designed for the
model.
2. Reinstall the fax software.
Defective PWB. Replace the fax control PWB and check for
correct operation.
0100 Backup memory device
error
Defective flash
memory.
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check that the EEPROM on the main
circuit PWB is peroperly installed on the
main circuit PWB and, if not, re-install it.
Defective PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-37).
0120 MAC address data error
The data includes an invalid
MAC address.
Defective flash
memory.
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check the MAC address on the network
status page.
3. If it is blank, obtain an EEPROM with its
MAC address written from the service
support and install.
Defective PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-37).