Olivetti d-Color MF2613En, Service Manual

Page: 159 / 375

2PV/2PW
1-4-23
6400 Zero-cross signal error
The zero-cross signal does
not reach the engine PWB for
more than 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Power source PWB (YC103) and relay PWB
(YC1)
Relay PWB (YC4) and engine PWB (YC9)
Defective power
source PWB or
engine PWB. Replace the power source PWB or the
engine PWB and check for correct operation
(see page 1-5-29, 1-5-27).
7001 Toner motor K error
When the toner motor K is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Toner motor K and engine PWB (YC23)
Defective drive
transmission sys-
tem of the toner
motor K. Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective toner
motor K. Replace the toner motor K.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7002 Toner motor C error
When the toner motor C is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Toner motor C and engine PWB (YC25)
Defective drive
transmission sys-
tem of the toner
motor C. Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective toner
motor C. Replace the toner motor C.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
7003 Toner motor M error
When the toner motor M is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Toner motor M and engine PWB (YC24)
Defective drive
transmission sys-
tem of the toner
motor M. Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective toner
motor M. Replace the toner motor M.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
Code Contents Causes
Check procedures/
corrective measures
Service Manual
Y116650-5