Olivetti d-color MF651, Service Manual, Page: 718 / 1053

17. JAM DISPLAY Field Service Ver. 2.0 Jul. 2009
658
TROUBLESHOOTING
10-10 Manual bypass
feed section • The bypass paper limit sensor (PS35) is
not blocked after the lapse of a predeter-
mined period of time after the paper lifting
plate is started to be raised from the
standby position to the paper feed posi-
tion.
• For paper fed from the manual bypass
tray, the bypass paper lower sensor
(PS36) is not blocked after the lapse of a
predetermined period of time after the
paper lifting plate is started to be lowered
from the paper feed position to the
standby position.
Manual bypass tray
door P.679
10-40 • For paper fed from the manual bypass, the
image write start signal permit continues
to be disabled for a predetermined period
of time after the timing of the image write
start signal output.
11-01 Tray 1 feed
section • The leading edge of the paper does not
turn ON the tray1 vertical transport sensor
(PS4) even after the lapse of a given
period of time after the tray1 starts to feed
paper.
Manual bypass tray
door P.680
11-02 • For paper fed from the tray1, due to a
delay in paper arrival, loop forming in front
of the timing roller is not complete before
the rise timing of the registration motor.
11-40 • For paper fed from the tray1, the image
write start signal permit continues to be
disabled for a predetermined period of
time after the timing of the image write
start signal output.
- • The tray1 vertical transport sensor (PS4)
is turned ON when the main power switch
is turned ON, a door or cover is opened
and closed, or a misfeed or malfunction is
reset.
12-01 Tray 2 feed
section • The leading edge of the paper does not
turn ON the tray2 vertical transport sensor
(PS12) even after the lapse of a given
period of time after the tray2 starts to feed
paper.
Lower right door P.680
12-40 • For paper fed from the tray2, the image
write start signal permit continues to be
disabled for a predetermined period of
time after the timing of the image write
start signal output.
- • Tray 2 vertical transport sensor (PS12) is
turned ON when the main power switch is
turned ON, a door or cover is opened and
closed, or a misfeed or malfunction is
reset.
JAM
code
JAM type Detection timing
Misfeed processing
location
Ref.
page
Service Manual Y110571-1