Ricoh G035 Service Manual page 44

ELECTRICAL COMPONENT DESCRIPTIONS
Symbol Description
Right Upper Cover
SW2
Main Power
SW3
Front Cover Safety
SW4
Upper Paper Size
SW5
Lower Paper Size
SW6
SW7 Duplex Unit Open
Solenoids
SOL1 Inverter Gate
Pick-up
SOL2
SOL3 Duplex Junction Gate Controls the duplex junction gate.
SOL4 Exit Junction Gate
Magnetic Clutches
Transfer Belt
CL1
CL2 Registration
CL3 Relay
CL4 Upper Paper Feed
CL5 Lower Paper Feed
CL6 Paper Feed (By-pass) Starts paper feed from the by-pass tray.
Lamps
L1 Fusing
Quenching
L2
Thermistor
Fusing
TH1
Thermofuse
Fusing
TF1
Other
Laser
LSD Synchronization
Detector
G035
Cut the +5VLD and +24 V DC power line
and detects whether the right upper cover is
open or closed.
Supplies power to the printer. If this is off,
there is no power supplied to the printer.
Cuts the +5VLD and +24 V DC power line
and detects whether the front cover is open.
Determine the size of paper in the paper
tray, based on the dial setting.
Determine the size of paper in the paper
tray, based on the dial setting.
Detects whether the duplex unit is opened.
Controls the inverter gate.
Moves the pick-up roller to contact the
paper.
Controls the exit junction gate.
Controls the touch and release movement
of the transfer belt unit.
Drives the registration rollers.
Drives the relay rollers.
Starts paper feed from the upper paper tray.
Starts paper feed from the lower paper tray.
Provides heat to the hot roller.
Neutralizes any charge remaining on the
drum surface after cleaning.
Monitors the temperature at the central area
of the hot roller.
Provides back up overheat protection in the
fusing unit.
Detects the laser beam at the start of the
main scan.
1-12
Note Index No.
22
44
45
43
42
57
58
66
23
27
30
32
34
33
36
65
14
47
12
13
21
SM