Olivetti d-Copia 6500MF Plus Service Manual page 445

Code Contents
7601 ID sensor 1 error [Front]
Dark potential error
FrontDarkP and FrontDarkS
are greater than 0.80V.
Light potential error
FrontBrightS is smaller than
FrontDarkS.
FrontBrightP is smaller than
[FrontDarkP + 0.5V].
7602 ID sensor 2 error [Rear]
Dark potential error
RearDarkP and RearDarkS
are greater than 0.80V.
Light potential error
RearBrightS is smaller than
RearDarkS.
RearBrightP is smaller than
[RearDarkP + 0.5V].
Y116520-3
Related parts
ID sensor1
Feed PWB 1 Replace the Feed PWB 1.
Engine PWB
ID sensor 2
Feed PWB 1 Replace the Feed PWB 1.
Engine PWB
1-4-117
Check procedures/
corrective measures
1. Execute U464 Calib for setting ID
compensation operation and check the
displayed values by U465 Boas Calib for
ID compensation reference (see page 1-
3-175).
2. Clean the ID sensor on its surface.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
ID sensor 1 (front) and relay PWB
(YC10)
Relay PWB (YC1) and Feed PWB 1
(YC14)
Feed PWB 1 (YC1) and Engine PWB
(YC6)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
1. Execute U464 Calib for setting ID
compensation operation and check the
displayed values by U465 Boas Calib for
ID compensation reference (see page 1-
3-175).
2. Clean the ID sensor on its surface.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
ID sensor2 (rear) and relay PWB (YC10)
Relay PWB (YC1) and Feed PWB 1
(YC14)
Feed PWB 1 (YC1) and Engine PWB
(YC6)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
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