Electrical Component Descriptions - Ricoh FT8880 Service Manual

5 June 1992

4. ELECTRICAL COMPONENT DESCRIPTIONS

Refer to the electrical component layout on the reverse side of the Point to
Point (Water proof paper) index numbers.
4.2 RDH
Name
Motors
Feed
Belt Drive
Inverter
Blower
Separator
Sensors
Original Set
Entrance
1st Transport
2nd Transport
Registration
Inverter Entrance
1st Inverter
2nd Inverter
Exit
Single Feed Set
Single Feed Exit
Lift
CFF
Original Length
Original Height
Separator H.P.
Separator
Inverter Unit Cover
(Switch)
Original Width
(Potentiometer)
ELECTRICAL COMPONENT DESCRIPTIONS
Drives the feed and transport rollers.
Drives the transport belt.
Drives the inverter and exit rollers.
Supplies air to the air knife and draws air from the
vacuum section.
Drives the original separator.
Detects if the original is set on the document handler.
Detects the original leading edge and de-energizes
the feed belt drive clutch.
Detects jams in the transport section.
Detects the original leading edge and lowers the
original feed motor speed.
Detects the original trailing edge for the original stop
position calculation.
Detects jams in the transport belt section.
Detects the original trailing edge and reverses the
inverter drive motor rotation.
Detects the original leading edge and energizes exit
roller release solenoid.
Detects the original leading edge and lowers the
inverter drive motor speed.
Detects the leading edge of the original in the single
feed table and turns the original feed motor.
Detects jams in single feed mode.
Detects if the RDH is open.
Detects if the computer form is set in the CFF guide.
Counts the holes lined up to the computer form.
Detects if the original stopper is set for 8
Detects the original height on the RDH.
Detects if the original separator is in the home
position.
Detects if the last original of the original stack is fed.
Detect if the inverter unit cover is opened.
Detects the original width in the stack feed mode.
1-5
Function
1/2
Index No.
3
7
34
5
21
31
33
16
15
12
24
29
30
32
13
25
2
9
" position. 19
20
22
23
27
17