Olivetti d-Copia 18MF Service Manual page 75

Problem
(5)
A paper jam in the
paper feed section
is indicated during
copying or printing
(multiple sheets in
the MP tray).
Jam code 20
(6)
A paper jam in the
paper feed section
is indicated during
copying or printing
(multiple sheets in
the cassette).
Jam code 21
(7)
A paper jam in the
paper feed section
is indicated during
copying or printing
(multiple sheets in
the optional cas-
sette).
Jam code 22
(8)
A paper jam in the
fusing section is in-
dicated during copy-
ing or printing (jam
in the fusing sec-
tion).
Jam code 40
Y104230-6
Causes/check procedures
Check if the MP feed roller
is deformed.
Defective registration sen-
sor.
Check if the registration
clutch malfunctions.
Electrical problem with the
registration clutch.
Check if the feed roller is
deformed.
Defective registration sen-
sor.
Check if the registration
clutch malfunctions.
Electrical problem with the
registration clutch.
Check if the feed roller of
the optional cassette is
deformed.
Defective registration sen-
sor.
Check if the registration
clutch malfunctions.
Electrical problem with the
registration clutch.
Defective exit sensor.
Check if the registration
clutch malfunctions.
Electrical problem with the
registration clutch.
Check if the upper and
lower registration rollers
contact each other.
Check if the lower exit
roller and exit pulleys con-
tact each other.
Check if the press roller is
extremely dirty or de-
formed.
Check if the separators
are dirty or deformed.
Corrective measures
Check visually and replace any deformed roller.
Check if YC8-7 on the engine PWB remains low when the regis-
tration sensor is turned on and off. If it does, replace the regis-
tration sensor.
Check and remedy if necessary.
Check.
Check visually and replace any deformed roller.
Check if YC8-7 on the engine PWB remains low when the regis-
tration sensor is turned on and off. If it does, replace the regis-
tration sensor.
Check and remedy if necessary.
Check.
Check visually and replace any deformed roller.
Check if YC8-7 on the engine PWB remains low when the regis-
tration sensor is turned on and off. If it does, replace the regis-
tration sensor.
Check and remedy if necessary.
Check.
Check if YC7-7 on the engine PWB remains low when the exit
sensor is turned on and off. If it does, replace the exit sensor.
Check and remedy if necessary.
Check.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
Clean or replace if necessary.
Clean or replace if necessary.
Sevice Manual
1-5-5