2PV/2PW
1-4-27
F000 Main PWB - operation panel
PWB communication error
Defective main
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-30).
Defective opera-
tion panel PWB.
Replace the operation panel PWB and
check for correct operation.
F010 Main PWB checksum error Defective main
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-30).
F020 Main PWB RAM checksum
error
Defective main
memory (RAM) on
the main PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-30).
Defective
expanded memory
(DIMM).
Replace the expanded memory (DIMM) (see
page 1-2-12).
F040 Main PWB - print engine
communication error
Defective main
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-30).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
F041 Main PWB - scanner engine
communication error
Defective main
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-30).
F050 Print engine ROM check-
sum error
Defective engine
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace engine PWB (see page 1-5-27).
F051 Scanner engine ROM
checksum error
Defective engine
PWB.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace engine PWB (see page 1-5-27).
F278 Power supply in drive sys-
tem error
Main power switch
was turned off
without using the
power key, or a
power failure has
occurred.
Turn on power.
(To switch off power, first press the power
key until the main power indicator goes off,
then turn the main power switch off.)
Code Contents Causes
Check procedures/
corrective measures
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