Lamps
SYMBOL
NAME
FUNCTION
INDEX
NO.
L1
Exposure Lamp
Applies high intensity light to the original for
exposure.
21
L2
Fusing Lamp
Provides heat to the hot roller.
12
L3
Quenching Lamp
Neutralizes any charge remaining on the drum
surface after cleaning.
11
L4
Erase Lamp
Discharge the drum outside of the image area.
Provides leading/trailing edge erase and side
erase.
9
Power Packs
SYMBOL
NAME
FUNCTION
INDEX
NO.
P1
Power Pack
–CC/Grid/Bias
Provides high voltage for the charge corona, grid,
and development roller.
26
P2
Power Pack
–TC/SC
Provides high voltage for the transfer and
separation corona.
7
Counter
SYMBOL
NAME
FUNCTION
INDEX
NO.
CO1
Total Counter
Keeps track of the total number of copies made.
10
Others
SYMBOL
NAME
FUNCTION
INDEX
NO.
TH1
Fusing
Thermistor
Monitors the fusing temperature.
20
TH2
Optics
Thermistor
Monitors the optics temperature.
24
TS
Fusing
Thermoswitch
Provides back-up overheat protection in the fusing
unit.
15
TF
Optics
Thermofuse
Provides back-up overheat protection around the
exposure lamp.
18
C
Main Motor
Capacitor
Start capacitor.
32
TR
Fusing Triac
Switches the fusing lamp on and off. (115 V only)
Note: In the 220V-230V/240V version, the triac
is built-in the ac drive board
28
GU
ID
E
TO
CO
M
P
O
N
E
N
T
S
FSM
2-5
A151/A152
Summary of Contents for A151
Page 1: ...SERVICE MANUAL PN RCFM3213 A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 2: ...SERVICE MANUAL A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 3: ...A151 A152 A202 A203 FIELD SERVICE MANUAL PN RCFM3213 ...
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Page 26: ......
Page 27: ...OVERALL MACHINE INFORMATION ...
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Page 32: ......
Page 33: ...GUIDE TO COMPONENTS ...
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Page 43: ...INSTALLATION ...
Page 44: ......
Page 55: ...SERVICE TABLES ...
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Page 95: ...REPLACEMENT AND ADJUSTMENT ...
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Page 193: ...TROUBLESHOOTING ...
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Page 251: ...DOCUMENT FEEDER A296 ...
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Page 277: ...A202 A203 SERVICE MANUAL ...
Page 278: ......
Page 337: ...DOCUMENT FEEDER A662 ...
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Page 359: ...TECHNICAL SERVICE BULLETINS ...
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Page 372: ...Tech Service Bulletin No 3013 3213 008 Page 2 of 3 Continued ...
Page 373: ...Tech Service Bulletin No 3013 3213 008 Page 3 of 3 ...