OVERALL MACHINE INFROMATION
SM 35 B835
Cover
Interposer
Tray
B835
3.3.5 ELECTRICAL COMPONENT SUMMARY
Motors
No. Name Description
M1 1st Lift Motor Drives the bottom plate of the 1st tray up and
down.
M2 1st Paper Feed Motor Rotates the feed rollers that feed paper from the
1st tray.
M3 1st Pick-up Motor Moves the 1st pick-up roller up and down.
M4 1st Transport Motor Drives the 1st Transport roller that takes the paper
fed from the 1st feed roller and feeds it to the
vertical path.
M5 2nd Feed Motor Rotates the feed rollers that feed paper from the
2nd tray.
M6 2nd Lift Motor Drives the bottom plate of the 2nd tray up and
down.
M7 2nd Pick-up Motor Moves the 2nd pick-up roller up and down.
M8 2nd Transport Motor Drives the 2nd Transport roller that takes the
paper fed from the 1st feed roller and feeds it to
the vertical path.
M9 Horizontal Transport Motor Drives the rollers in the horizontal path that feed
paper from the copier and covers from the vertical
path out of the cover interposer tray.
M10 Vertical Transport Motor Drives the rollers in the vertical path that feed the
covers down to the horizontal path.
PCBs
No. Name Description
PCB1 Driver Board Controls operation of the unit. (All DIP SWs should be
set to OFF.)
PCB2 Main Control Board
Sensors
No. Name Description
S1 1st Tray Cover Sensor Detects when the 1st tray cover is open/closed.
S2 1st Lower Limit Sensor Detects 1) whether the 1st tray is down or not
when the tray is not operating, and 2) detects
when the tray is full when the 1st tray is
operating.
S3 1st paper set sensor Detects paper end after the last sheet feeds
from the 1st tray.
S4 1st Paper Feed Sensor Detects paper placed on the tray and starts the
1st lift motor to raise the bottom plate. This
sensor also detects a jam if the paper stops and
does not leave the 1st tray
S5 1st Paper Length Sensors Used in combination with 1st tray width sensors
to determine the size of paper in the 1st tray.
S6 1st paper upper limit sensor When an actuator falls into the gap of this
sensor, this signals paper near end in the 1st
tray.
S7 1st Pick-up Roller HP Sensor Detects whether the 1st pick-up roller is up or
not.
S8 1st Transport Sensor Detects jams at the point where the 1st
Transport roller pulls paper from the 1st tray.
S9 1st Transport Sensor Detects jams in the path of the 1st tray.
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