Kyocera TASKalfa 4500i Service Manual page 367

Code Contents
F000 Communication error
between main PWB and
operation PWB
F010 Main PWB checksum error
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
F051 Scanner engine ROM
checksum error
F278 Power supply in drive sys-
tem error
Causes
Defective main Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace main PWB (see page 1-5-41).
Defective opera- Replace the operation PWB and check for
tion PWB. correct operation.
Defective main Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace main PWB (see page 1-5-41).
Defective main Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace main PWB (see page 1-5-41).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-47).
Defective main Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace main PWB (see page 1-5-41).
Defective ISC Replace the ISC PWB and check for correct
PWB. operation.
Defective engine Install the engine software.
software.
Defective engine Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace engine PWB (see page 1-5-47).
Defective Scanner Install the Scanner software.
software.
Defective ISC Turn the main power switch off/on to restart
PWB. the machine. If the error is not resolved,
replace ISC PWB.
Main power switch Turn on power.
was turned off (To switch off power, first press the power
without using the key until the main power indicator goes off,
power key, or a then turn the main power switch off.)
power failure has
occurred.
1-4-63
2LL/2LJ/2LH
Check procedures/
corrective measures