Defective Switches Or Other Electrical Components - Ricoh A151 Field Service Manual

6.2 DEFECTIVE SWITCHES OR OTHER ELECTRICAL
COMPONENTS
Component
Main Switch
(SW1)
Front Cover Safety Switch
(SW2)
Paper Tray Switch
(SW3)
Exposure Lamp
(L1)
Fusing Lamp
(L2)
Fusing Thermistor
(TH1)
Fusing Thermoswitch
(TS)
Optics Thermofuse
(TF)
Optics Thermistor
(TH2)
FSM
Condition Symptom
The copier does not turn on.
OPEN
The copier does not turn off.
SHORT
The copier does not turn on.
OPEN
The copier does not turn off when the
SHORT
front or exit cover is opened.
OPEN The Start key stays red even when the 1st
paper tray is closed.
SHORT The Start key stays green even when the
1st paper tray is open, and the "J1"
indicator lights after the Start key is
pressed.
OPEN SC code (E11) is displayed.
SC code (E52) is displayed.
OPEN
SC code (E55) is displayed.
OPEN
SC code (E53) is displayed.
SHORT
SC code (E52) is displayed.
OPEN
SC code (E11) is displayed.
OPEN
SC code (E40) is displayed.
OPEN
The Energy Saver Function key blinks.
SHORT
4-37 A151/A152