Defective Component Tables; Defective Sensor Table - Ricoh A151 Field Service Manual

6. DEFECTIVE COMPONENT TABLES

6.1 DEFECTIVE SENSOR TABLE

Component
Scanner Home Position
Sensor
(S1)
Lens Home Position
Sensor
(S2)
(A152 copier only)
4th/5th Mirror Home
Position Sensor
(S3)
(A152 copier only)
Registration Sensor
(S4)
Exit Sensor
(S5)
Relay Sensor
(S6)
Image Density Sensor
(ID Sensor)
(S7)
A151/A152
Condition Symptom
SC code (E22) is displayed.
Stays HIGH
(CN103-11)
Stays LOW SC code (E21) is displayed.
(CN103-11)
SC code (E29) is displayed.
Stays HIGH
(CN103-8)
SC code (E28) is displayed.
Stays LOW
(CN103-8)
SC code (E2B) is displayed.
Stays HIGH
(CN102-2)
Stays LOW SC code (E2A) is displayed.
(CN102-2)
The "Check Paper Path" indicator and
Stays HIGH
"J1" indicator light when a copy is made.
(CN117-2)
The "Check Paper Path" indicator and
Stays LOW
"J1" indicator light when the main switch is
(CN117-2)
turned on.
The "Check Paper Path" indicator and
Stays HIGH
"J2" indicator light when a copy is made.
(CN116-2)
The "Check Paper Path" indicator and
Stays LOW
"J2" indicator light when the main switch is
(CN116-2)
turned on.
The "PE" indicator lights when a copy is
Stays HIGH
made.
(CN117-6)
The "J1" indicator stays on when the main
Stays LOW
switch is turned on although there is no
(CN117-6)
copy paper on the by-pass feed table.
Stays HIGH The CPU detects an ID sensor abnormal
condition. The ADS or Manual Image
(CN112-1)
Density indicators start blinking.
Stays LOW
(CN112-1)
4-36 FSM