Olivetti d-Copia 2500MF Service Manual page 141

Problem
(7)
A paper jam in the
paper feed section is
indicated during
copying (jam in verti-
cal paper conveying
section).
Jam code 18
(8)
A paper jam in the
paper feed section is
indicated during
copying (jam in
optional paper feeder
vertical paper con-
veying section).
Jam code 19
(9)
A paper jam in the
paper feed section is
indicated during
copying (jam in MP
tray paper conveying
section).
Jam code 20
(10)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in paper feed
section).
Jam code 21
Y108620-5
Causes/check procedures
Broken feed switch 1/2/3
actuator.
Defective switch.
Defective feed pulleys or
feed rollers.
Broken feed switch 3 actua-
tor.
Defective feed switch 3.
Broken paper feeder feed
switch actuator.
Defective paper feeder feed
switch.
Broken MP feed switch or
registration switch actuator.
Defective switch.
Broken feed switch 1/2/3
actuator.
Defective switch.
Broken paper feeder feed
switch actuator.
Defective paper feeder feed
switch.
Check if the clutch malfunc-
tions.
Electrical problem with
clutch.
Check if paper feeder paper
feed clutch 1 malfunctions.
Corrective measures
Check visually and replace switch.
Run maintenance item U031 and turn following switch on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Feed switch 1/2/3
Check visually and replace.
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Check visually and replace switch.
With 5 V DC present at YC2-8 on the paper feeder main PWB,
check if YC2-7 on the paper feeder main PWB remains low when
the paper feeder feed switch is turned on and off. If it does,
replace the paper feeder feed switch.
Check visually and replace switch.
Run maintenance item U031 and turn following switch on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
MP feed switch, registration switch
Check visually and replace switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1/2/3
Check visually and replace switch.
With 5 V DC present at YC2-8 on the paper feeder main PWB,
check if YC2-7 on the paper feeder main PWB remains low when
the paper feeder feed switch is turned on and off. If it does,
replace the paper feeder feed switch.
Run maintenance item U032 and select following clutch on the
touch panel to be turned on and off. Check the status and remedy
if necessary.
Upper paper feed clutch, lower paper feed clutch
Check (see page 1-4-39).
Run maintenance item U247 and select paper feeder paper feed
clutch 1 on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Service Manual
2H0/2HZ
1-4-11