OVERALL MACHINE INFORMATION
B830 70 SM
4.4 ELECTRICAL COMPONENT SUMMARY
Motors
No. Name Description
M01 Shift Tray Exit Motor Drives the exit roller for the shift tray.
M02 Shift Tray Lift Motor Moves the shift tray up or down.
M03 Exit Guide Motor Opens and closes the upper exit guide. When stapling starts, the
exit guide motor opens the upper exit guide, which includes the
upper shift tray exit roller, in order to feed out the leading edge of
the copy set smoothly. The exit guide motor turns on again a
certain time after stapling is complete, and the upper exit guide
plate is lowered. Then the shift tray exit roller takes over the stack
feed-out. The on-off timing of the exit guide motor is detected by
the exit guide HP sensor.
M04 Stapler Exit Motor Drives the rollers that feed stapled stacks out of the stapling unit.
M05 Upper Tray Exit Motor Drives the rollers that output paper to the proof tray (top tray).
M06 Shift Motor Moves the shift tray from side to side.
M07 Upper Tray Junction Gate
Motor
Operates the upper tray junction gate.
M08 Stapler Junction Gate Motor Operates the staple junction gate that directs paper into the
stapling path.
M09 Pre-Stack Junction Gate
Motor
Operates the pre-stack junction gates that direct paper into path 1,
2, or 3 of the pre-stack unit.
M10 Pre-Stack Transport Motor Drives the rollers that feed paper into the pre-stack paper paths.
M11 Pre-Stack Stopper Motor Controls the stopper that stops the sheets in the pre-stack unit and
then releases them to the staple tray.
M12 Positioning Roller Motor Moves the positioning roller into contact with the paper.
M13 Positioning Roller Drive
Motor
Rotates the positioning roller.
M14 Drag Drive Motor Extends the sponge roller that drags the stapled stack on the shift
tray toward the finisher so that the edge of the stack is aligned
against the back of the shift tray.
M15 Drag Roller Motor Rotates the drag roller counter-clockwise to pull the ejected paper
toward the machine so that the edge of the stack on the shift tray
is aligned against the back of the shift tray.
M16 Jogger Motor Moves the jogger fences of the stapling tray.
M17 Stack Feed-Out Belt Motor Drives the stack feed-out belt which lifts the stapled stack and
feeds it out of the finisher. The stack-feed-out motor turns off when
the pawl actuates the stack feed-out belt home position sensor.
M18 Stack Plate Motor (Center) Presses down the center of the edge for stapling.
M19 Stack Plate Motor (Front) Presses down the front corner of the edge for stapling.
M20 Stack Plate Motor (Rear) Presses down the rear corner of the edge for stapling.
M21 Stapler Movement Motor Moves the staple unit side-to-side.
M22 Stapler Rotation Motor Rotates the stapler 45 degrees for oblique stapling.
M23 Staple Hammer Motor Drives the staple hammer.
M24
Top Fence Motor After the specified number of sheets has been fed, this motor
lowers the top fence against the leading edges of the sheets to
align them for stapling and then raises the top fence to its home
position after stapling.
Operates the top fence that jogs pre-stacked paper vertically (in
the direction of paper feed).
M25
Bottom Fence Motor After the specified number of sheets has been fed, this motor
lowers the bottom fence to position the stack for stapling and then
raises the bottom fence to its home position after stapling.
M27 Upper Transport Motor Feeds paper in the upper transport area. Drives the rollers that
transport paper toward the proof tray (top tray).
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