Others - Ricoh C249 Service Manual

OTHERS

4.4.6 OTHERS
Model Problem
C249 Paper size
misdetection
C238
C264 The cutter
cannot trim the
C249
edge of the
master
C249 Error code (E-
21, E-22, E-23,
C238
E-24).
C264 Difficult to
remove ink
C249
from exterior
C238
cover and so
on.
C249 When MPU is
changed, the
C238
information that
user input is
lost.
C264 Unusual
operation
C249
C238
C264
C249
C238
C264
C249
C238
C264
Cause
The paper tray harness
is damaged.
The edge has been
unevenly cut, such as
after a master misfeed
jam (D-jam).
Jammed paper
contancts one of the
sensors during a print
job, and the sensor
comes loose from its
bracket.
Ink is present on the
cover surface.
The MPU was replaced,
and the RAM was also
new.
Due to static electricity.
A harness snapped and
caused a short circuit.
Unknown
4-14
24 February 2006
Solution
C249: Replace the paper tray
harness.
( MB# MC249012)
( RTB#RC249012)
C238: Replace the paper feed tray
harness, paper size sensor stay
and pad plate harness.
( MB# MC238037, 038, 043)
( RTB#RC238017, 018, 020)
Press the Clear/Stop key, and then
while holding this key down, push in
the master making unit.
( RTB#RC249008)
C238/C249 :Install the improved
sensor bracket and drum positon
plate.
( MB# MC238042, MC249014)
( RTB# RC238019, RC249013)
Clean the surface with a plastic
eraser
Remove the RAM from the previous
MPU, and install this RAM on the
new MPU.
＊ Be sure to do VR adjustments for
the master set sensor, master
edge sensor, duct jam sensor,
nd
and 2 drum master sensor (
3.5.6 to 3.5.9)
Make sure the machine is secure. A
fixed screw acts as a ground. The
machine must be kept secure for
the ground screw to operate.
Check if there is a broken harness
or short circuit. Unplug the machine.
Then plug it back in again.
Caution: Record the settings before
clearing memory.
Clear the memory with SP7-1.
SM