Olivetti d-color MF651, Service Manual, Page: 721 / 1053

Field Service Ver. 2.0 Jul. 2009 17. JAM DISPLAY
661
TROUBLESHOOTING
20-01 Vertical trans-
port section • The timing roller sensor (PS38) is not
unblocked even after the lapse of a given
period of time after the paper has turned
ON the tray 1 vertical transport sensor
(PS4).
Manual bypass tray
door,
Lower right door P.684
20-03 • The OHP detection sensor (PS40) is not
turned ON even after the lapse of a given
period of time after the paper has turned
ON the tray 1 vertical transport sensor
(PS4).
20-10 • The tray 1 vertical transport sensor (PS4)
is not turned OFF even after the lapse of a
given period of time after the paper has
turned ON the PS4.
20-11 • The tray2 vertical transport sensor (PS12)
is not turned OFF even after the lapse of a
given period of time after the paper has
turned ON the PS12.
20-12 • The intermediate roller sensor (PS28) is
not blocked even after the lapse of a given
period of time after the paper has
unblocked the PS28.
20-20 • The tray 1 vertical transport sensor (PS4)
is not turned ON even after the lapse of a
given period of time after the paper has
turned ON the tray2 vertical transport sen-
sor (PS12).
20-02 Vertical trans-
port section • For paper fed from the tray 1/2/3/4 or LU-
301, loop forming has not been complete
before a sheet enters the timing roller
because the rise timing of load to perform
registration is earlier than the rise timing of
load to form a loop.
Manual bypass tray
door,
Lower right door
JAM
code
JAM type Detection timing
Misfeed processing
location
Ref.
page
Y110571-1 Service Manual