Olivetti d-COLOR P2026, Service Manual, Page: 73 / 207

Check procedures/
corrective measures
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
APC PWB K and engine PWB (YC31)
Replace the laser scanner unit KM (see
page 1-5-43).
Replace the laser scanner unit KM (see
page 1-5-43).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
APC PWB C and engine PWB (YC32)
Replace the laser scanner unit CY (see
page 1-5-43).
Replace the laser scanner unit CY (see
page 1-5-43).
Replace the engine PWB (see page 1-5-26).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
APC PWB M and engine PWB (YC31)
Replace the laser scanner unit KM (see
page 1-5-43).
Replace the laser scanner unit KM (see
page 1-5-43).
Replace the engine PWB (see page 1-5-26).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
APC PWB Y and engine PWB (YC32)
Replace the laser scanner unit CY (see
page 1-5-43).
Replace the laser scanner unit CY (see
page 1-5-43).
Replace the engine PWB (see page 1-5-26).
Code
4201
Contents
Laser output error (black)
The pin photo signal is not
output from PD PWB K for
one second while laser is
emitted.
Causes
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective APC
PWB K.
Defective PD PWB
K.
Defective engine
PWB.
4202 Laser output error (cyan)
The pin photo signal is not
output from PD PWB C for
one second while laser is
emitted.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective APC
PWB C.
Defective PD PWB
C.
Defective engine
PWB.
4203 Laser output error
(magenta)
The pin photo signal is not
output from PD PWB M for
one second while laser is
emitted.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective APC
PWB M.
Defective PD PWB
M.
Defective engine
PWB.
4204 Laser output error (yellow)
The pin photo signal is not
output from PD PWB Y for
one second while laser is
emitted.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective APC
PWB Y.
Defective PD PWB
Y.
Defective engine
PWB.
1-4-19