Electrical Component Descriptions - Ricoh A219 Service Manual

5. ELECTRICAL COMPONENT DESCRIPTIONS

Refer to the electrical component layout and the point-to-point diagram on the
waterproof paper in the pocket for symbols and index numbers.
Symbol Name
Motors
Main Motor
M1
M2 Scanner Drive Motor Drives the scanners (1st and 2nd).
Lens Motor
M3
4th/5th Mirror Motor
M4
Toner Supply Motor
M5
Optics Cooling Fan
M6
Motor
Exhaust Fan Motor
M7
Clutches
Upper Tray Paper
CL1
Feed Clutch
By-pass Paper Feed
CL2
Clutch
Lower Tray Paper
CL3
Feed Clutch
CL4 Registration Clutch
Upper Relay Roller
CL5
Clutch
Lower Relay Roller
CL6
Clutch
Switches
SW1 Main Switch
SW2 Interlock Switch
Upper Tray Paper
SW3
Size Switch
Right Vertical Guide
SW4
Switch
Lower Tray Paper
SW5
Size Switch
Sensors
4th/5th Mirror Home
S1 Position Sensor
SM
CÓPIA NÃO CONTROLADA
ELECTRICAL COMPONENT DESCRIPTIONS
Function
Drives all the main unit components except for
the optics unit, fans and toner supply.
Moves the lens position in accordance with
the selected magnification.
Moves the 4th/5th mirror position in
accordance with the selected magnification.
Rotates the toner bottle to supply toner to the
development unit.
Prevents build-up of hot air in the optics cavity.
Removes heat from around the fusing unit and
blows the ozone built up around the charge
corona unit towards the ozone filter.
Transfers main motor drive to the upper paper
feed roller.
Starts paper feed from the by-pass feed table.
Transfers main motor drive to the lower paper
feed roller.
Drives the registration rollers.
Drives the upper relay rollers for upper paper
tray feed.
Drives the lower relay rollers for lower paper
tray feed.
Supplies power to the copier.
Cuts all power when the front cover is opened.
Determines what size of paper is in the upper
paper tray.
Cuts the +24 V dc power line of the relay roller
clutch.
Determines what size of paper is in the lower
paper tray.
Informs the CPU when the 4th/5th mirror
assembly is at the home position (full size
position).
11-7
CÓPIA NÃO CONTROLADA
Index No.
8
9
20
18
10
19
7
13
12
16
11
14
15
43
42
36
30
35
28
A245