Ricoh A230, Service Manual, Page: 602 / 1134

ELECTRICAL COMPONENT DESCRIPTIONS
A230/A231/A232 20-4 SM
1.3 ELECTRICAL COMPONENT DESCRIPTIONS
Refer to the electrical component layout and the point-to-point diagram, printed on
waterproof paper and located in a protective sleeve for the component locations.
Symbols Name Function Index No.
Motors
M1
Proof Tray
Transport Drives all the proof tray rollers.
7
M2 Transport
Drives all rollers in the entrance area and
all rollers in the bridge unit.
8
M3 Vertical Transport Drives all tray feed-out rollers. 19
Sensors
S1 Bridge Exit Detects misfeeds. 1
S2 Bridge Relay Detects misfeeds. 2
S3
Proof Tray Paper
Overflow Detects paper overflow in the proof tray.
3
S4 Proof Exit Detects misfeeds. 4
S5 Proof Cover
Detects whether the proof cover is open
or closed.
6
S6 Entrance
Detects copy paper entering the mail box
and detects misfeeds.
9
S7 Relay Detects misfeeds. 10
S8
Proof Tray Paper 1
(LED) Informs the CPU when there is paper on
the proof tray.
14
S9
Proof Tray Paper 2
(Photo Transistor) Informs the CPU when there is paper on
the proof tray.
13
S10 Tray Exit 1 Detects misfeeds. 21
S11 Tray Exit 2 Detects misfeeds. 25
S12 Tray Exit 3 Detects misfeeds. 29
S13 Tray Exit 4 Detects misfeeds. 32
S14 Paper 0 Contains an LED for paper sensor 1. 47
S15 Paper 1
Informs the CPU when there is paper on
the 1st tray.
15
S16 Paper 2
Informs the CPU when there is paper on
the 2nd tray.
43
S17 Paper 3
Informs the CPU when there is paper on
the 3rd tray.
41
S18 Paper 4
Informs the CPU when there is paper on
the 4th tray.
39
S19 Paper 5
Informs the CPU when there is paper on
the 5th tray.
37
S20 Paper 6
Informs the CPU when there is paper on
the 6th tray.
36
S21 Paper 7
Informs the CPU when there is paper on
the 7th tray.
35
S22 Paper 8
Informs the CPU when there is paper on
the 8th tray.
34