Specifications

3. ELECTRICAL COMPONENT DESCRIPTIONS
Symbol Name Function Location
Motors
M1 Belt Drive Motor DC servomotor that drives to the transport
belt and feed-in system (pick-up roller, feed
roller, pull-out roller and relay roller).
6
M2 Feed-out Motor DC servomotor that drives the feed-out unit of
the DF.
10
Solenoids
SOL1 Pick-up Solenoid Energizes to press the pick-up lever against
the stack of originals in preparation for origi-
nal feed-in.
5
SOL2 Feed-in Solenoid Turns on to engage the feed-in clutch so rota-
tion is transmitted to the feed roller, pull-out
rollers, and relay rollers.
14
SOL3 Inverter Solenoid Energizes to invert the original when copying
two sided originals.
11
Switches
SW1 Lift Switch Informs the CPU when the DF is lifted and
also serves as the jam reset switch for the DF.
8
SW2 Original Select
Switch
Selects thick original mode or thin original
mode.
13
Sensors
S1 Original Set Sen-
sor
Informs copier CPU that originals have been
placed and causes the Insert Original indica-
tor to go out.
1
S2 Registration Sen-
sor
Sets original stop timing and measures origi-
nal length.
2
S3 Original Width
Sensor
Determines the width of the originals. 4
S4 Pulse Generator
Sensor
Generates pulses used to measure the origi-
nal length.
3
S5 Feed-out Sensor Checks for original misfeeds and sets original
stop timing when in auto reverse mode.
12
Printed Circuit Boards
PCB1 DF Main Board Controls all DF functions. 9
PCB2 Indicator Panel
Board
Contains operator indicators. 7
1 December 1990
8-3