Olivetti d-Color MF2552 plus Service Manual page 356

Code Contents
8170 DF side registration motor 1
error 1
When initial operation, DF
side registration sensor 1
does not turn on within 3 s.
Service Manual
Causes
DF side registration
motor 1
DF side registration
sensor 1
DF main PWB Replace the DF main PWB (Refer to the
service manual for the document finisher).
1-4-58
Check procedures/
corrective measures
1. Execute U240 Motor - Width Test to
check the finisher operation (see page
1-3-103).
2. Manipulate the front side registration
guide to check it is smoothly operable.
3. Check that the drive from the motor
reaches the front side registration guide.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF side registration motor 1 and DF
main PWB (YC11)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DF side registration motor
1.
1. Execute U241 Finisher - Width Front to
check the finisher switch (see page 1-3-
105).
2. Check that the sensor and its mounting
bracket are correctly positioned.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF side registration sensor 1. and DF
main PWB (YC20)
4. Replace the DF side registration sensor
1.
2NP
Y116141-8