Ricoh G157 Service Manual page 97

5D~5F Not used
60 Stacker full
61 TMA & TMAM control
62~6F Not used
70 OPC belt not installed
71 Fusing unit not
installed
72 Transfer roller not
installed
73 Waste toner box full
or not installed
74 OPC belt exchange
75 Fusing unit exchange
76 Transfer roller
77 Transfer belt
78 Paper feed rollers
exchange
79 Waste toner box
near-full (exchange)
7A Top cover open error
7B Rear cover open
error
7C~7F Not used
80 At the start of fax
message printing, the
controller detects that
paper is smaller than
A4 size in length.
81, 82 Not used
83 Printing paper jam
(the registration
sensor comes ON too
early in the paper
feed operation.)
84 Printing paper jam
(The registration
SM
The output tray is full of
paper.
The automatic color
calibration has failed.
The OPC belt is removed.
The fuser unit is not installed.
The transfer roller is not
installed
The waste toner box is not
installed.
The waste toner box is full.
It is time to replace the OPC
belt
It is time to replace the fusing
unit
It is time to replace the
transfer roller
It is time to replace the
transfer belt
It is time to replace the paper
feed rollers
The waste toner box is nearly
full.
The top cover is opened.
The rear cover is opened.
Paper smaller than the
specified size is loaded in the
paper tray.
BCU or controller defective
Paper is not correctly set in
the paper tray
Separation pad damaged
Registration sensor actuator
unhooked
BCU board defective
The paper exit roller does not
rotate correctly.
4-7
ERROR INDICATION
Remove the paper from
the output tray.
Press the stop key to
clear the error.
Install the OPC belt.
Install the fuser unit.
Install the transfer roller.
Install the waste toner
box.
Replace the waste toner
box with a new one.
Replace the OPC belt
with a new one.
Replace the fusing unit
with a new one.
Replace the transfer
roller with a new one.
Replace the transfer belt.
Replace the paper feed
rollers
Replace the waste toner
box with a new one.
Close the top cover.
Close the rear cover.
Load the correct size of
paper.
Replace the BCU and/or
controller.
Reload paper.
Replace the paper tray.
Set the registration
sensor actuator in the
correct place.
Replace the BCU board
or the controller.
Replace the paper exit
roller.
G157