Kyocera TASKalfa 2551ci Service Manual page 380

Code Contents
F010 Main PWB checksum error
F011
F012
F013
F020 System memory error
Controller detection error
F021
F022
F023
F040 Communication error
between Main PWB and
Print engine
F041 Communication error
between Main PWB and
Scanner engine
F050 Print engine ROM check-
sum error
Causes
Defective main
PWB.
Defective main
PWB.
Main PWB
Engine PWB
HDD Replace the HDD.
Main PWB
ISC PWB Replace the ISC PWB.
Engine software Install the latest engine software.
Engine PWB
1-4-73
Check procedures/
corrective measures
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. If not corrected, replace the main PWB
(see page 1-5-37).
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. If not corrected, replace the main PWB
(see page 1-5-37).
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Repair or replace the wire from the
engine PWB, that may be grounded.
(Check short-circuit between 5V and
3.3V.)
3. Check that the FCC wire connecting
between the main PWB (YC3) and the
engine PWB (YC46) is normal and, if
necessary, re-insert.Or, replace the FCC
wire.
4. If not corrected, replace the main PWB
(see page 1-5-37).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
42).
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check that the wires between the main
PWB and the ISC PWB are normal.
3. If not corrected, replace the main PWB
(see page 1-5-37).
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Confirm that the EEPROM has been
properly installed.
3. If not corrected, Replace the engine
PWB (see page 1-5-42).
2NP-5