Ricoh LDD250, Service Manual

Page: 246 / 459

ELECTRICAL COMPONENT DEFECTS
C262/C265 4-12 SM
Name State Symptoms
Does not detect paper,
but there is paper A P jam occurs after 5 seconds when the
Start button is pushed
Detects an original, but
there is no original. A P jam occurs when an original is put on
the exposure glass.
An original cannot be set again after last
page of the job is fed, because the
machine does not know that the last page
of the original was fed, and the DF pick-up
solenoid stays on.
When A4 master saving mode is used, an
A3 size master will not be wrapped on the
drum at the end of the job, because the
machine cannot detect the last page of the
original. Original set sensor
Does not detect an
original, but there is an
original The machine displays “ Set original” when
the Start button is pushed. If the Start
button is pushed again, the machine will
scan the exposure glass.
Detects an original, but
there is no original The machine detects that the width of the
original is the widest possible size, and
the image on the output shifts up or down. Original width sensor
Does not detect an
original, but there is an
original. The machine reads only one part of the
image, and the image on the output shifts
up or down.
Detects an original, but
there is no original The machine makes a master of the
maximum length.
A4 master saving mode does not work
because the sensor detects a long
original.
An original cannot be set again after last
page of the job is fed, because the
machine does not know that the last page
of the original was fed, and the DF pick-up
solenoid stays on. Original length
sensors 1 and 2
Does not detect an
original, but there is an
original. The trailing edge of the printed image
becomes blank and a feed out jam occurs
Detects open, but close The machine scans in platen mode
instead of ADF mode. APS
Detects close, but it is
open A P jam might occur. (It does not always
occur.)
Detects that the cover is
open, but the cover is
closed The machine will start after you push the
Start button two times. DF open sensor
Detects that the cover is
closed, but the cover is
open The image in the border will be erased.