Olivetti d-Copia 6500MF Plus Service Manual page 447

Code Contents
7941 Laser scanner unit
EEPROM error
Mismatch of reading data from
two locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
8000 Finisher incompatible
detection error
The finisher has been
installed with a device to
which it is incompatible.
Y116520-3
Related parts
APC PWB
LSU relay PWB Replace the LSU relay PWB.
Engine PWB
The finisher is The finisher must be installed with the
installed with a devices to which it is compatible.
device to which it is
incompatible.
1-4-119
Check procedures/
corrective measures
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
APC PWB and LSU relay PWB (YC3)
LSU relay PWB (YC2) and Engine PWB
(YC11)
2. If the FFC wiring is disconnected,
shorted or grounded, replace the FFC
wiring.
3. Replace the laser scanner unit (see
page 1-5-44).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
2N8/2N7
Service Manual