Ricoh G035 Service Manual page 43

Symbol Description
Registration
S4
Image Density (ID)
S5
Upper Paper Lift
S6
Lower Paper Lift
S7
Upper Paper End
S8
Lower Paper End
S9
S10 Upper Relay
S11 Lower Relay
Transfer Belt Position Informs the CPU of the current position of
S12
Toner Overflow
S13
Upper Paper Height 1 Detects the amount of paper in the upper
S14
Upper Paper Height 2 Detects the amount of paper in the upper
S15
Lower Paper Height 1 Detects the amount of paper in the lower
S16
Lower Paper Height 2 Detects the amount of paper in the lower
S17
New Unit Detection
S18
Entrance (Duplex)
S19
S20 Exit (By-pass)
S21 Cover Guide
Paper End (By-pass) Informs the copier when the by-pass tray
S22
Paper Size Sensor
S23
Board (By-pass)
Switches
Right Lower Cover
SW1
SM
ELECTRICAL COMPONENT DESCRIPTIONS
Note
Detects the leading edge of the paper to
determine the stop timing of the paper feed
clutch, and detects misfeeds.
Detects the density of various patterns and
the reflectivity of the drum for process
control.
Detects when the paper in the upper paper
tray is at the feed height.
Detects when the paper in the lower paper
tray is at the feed height.
Informs the CPU when the upper paper tray
runs out of paper.
Informs the CPU when the lower paper tray
runs out of paper.
Detects misfeeds.
Detects misfeeds.
the transfer belt unit.
Detects toner overflow in the toner
collection tank.
tray in combination with upper paper height
sensor 2.
tray in combination with upper paper height
sensor 1.
tray by the in combination with lower paper
height sensor 2.
tray by the in combination with lower paper
height sensor 1.
Detects the new photoconductor and
development unit.
Detects the trailing edge of the paper to turn
on the inverter gate solenoid and turn on
the inverter motor in reverse. Checks for
misfeeds.
Checks for misfeeds.
Detects whether the cover guide is opened.
runs out of paper.
Detects the paper width.
Detects whether the right lower cover is
open or closed.
1-11
Index No.
49
48
50
52
51
53
55
54
29
16
41
40
39
38
31
56
62
63
64
67
35
G035