Olivetti d-Copia 6500MF Plus Service Manual page 481

Code Contents
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
Y116520-3
Related parts
Main PWB
Engine PWB
HDD Replace the HDD (see page 1-5-136).
Main PWB
ISC PWB Replace the ISC PWB.
Engine software Install the latest engine software.
Engine PWB
Scanner software Install the latest scanner software.
ISC PWB
The main power Turn the main power swtch off and after 5
seconds, then turn power on.
switch was turned
(Before turning power off, verify that the
off before the
power key has been pressed and the power
power switch is
indicator has gone off, then switch the main
pressed. Shutdown
power switch.)
due to a power
failure
1-4-153
Check procedures/
corrective measures
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 FFC wire connecting
between the Main PWB (YC3) and the
engine PWB (YC46) is normal and, if
necessary, re-insert.Or, replace the FFC
wire.
4. If not corrected, replace the main PWB
(see page 1-5-74).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
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 1-5-74).
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 1-5-83).
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 ISC PWB.
2N8/2N7
Service Manual