Electrical Component Descriptions - Ricoh A219 Service Manual

6. 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
Lens Motor
M3
4th/5th Mirror Motor
M4
Toner Supply Motor
M5
Optics Cooling Fan
M6
Motor
Exhaust Fan Motor
M7
Clutches
Tray Paper Feed
CL1
Clutch
By-pass Paper Feed
CL2
Clutch
CL3 Relay Roller Clutch
CL4 Registration Clutch
Switches
SW1 Main Switch
Interlock Switch
SW2
Tray Paper Size
SW3
Switch
Right Vertical Guide
SW4
Switch
Sensors
4th/5th Mirror Home
S1 Position Sensor
ADS Sensor
S2
SM
CÓPIA NÃO CONTROLADA
ELECTRICAL COMPONENT DESCRIPTIONS
Function
Drives all the main unit components except
for the optics unit, fans and toner supply.
Drives the scanners (1st and 2nd).
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 paper feed
roller.
Starts paper feed from the by-pass feed
table.
Drives the relay rollers for paper tray feed.
Drives the registration rollers.
Supplies power to the copier.
Cuts all power when the front cover is
opened.
Determines what size of paper is in the
paper tray.
Cuts the +24 V dc power line of the relay
roller clutch.
Informs the CPU when the 4th/5th mirror
assembly is at the home position (full size
position).
Detects the background density of the
original.
1-9
CÓPIA NÃO CONTROLADA
Index No.
8
9
18
16
10
17
7
14
12
13
11
38
37
31
27
33
24
A219