Tray Operation - Panasonic DP-3510 Service Manual
Digital imaging system
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Also See for DP-3510:
- Operating instructions manual (168 pages) ,
- Information sheet (12 pages) ,
- Service handbook (12 pages)
Table of Contents
11.1.2.2.7. Tray Operation
The Finisher has two delivery trays for normal delivery, each accepting sheets. Each tray is moved up and
down by the Tray Lift Motor (M5).
The position of tray is identified with reference to the number of clock pulses of the Tray Lift Motor Clock
Sensor 1/2 (PI9/PI19) coming from the Tray Home Position Sensor (PI8). The Finisher Controller PCB finds
out in which direction (up or down) the tray is moving based on combinations of pulses from the two clock
sensors.
The Finisher Controller PCB drives the Tray Lift Motor (M5) to return the tray to the home position at power-
on. If the tray is already at the home position, then (M5) is not turned on.
The Finisher Controller PCB moves up and down the tray selected by the Copier so that it is positioned at
the delivery slot.
The upper limit of the tray is detected by the Tray Upper Limit Detecting Switch (MS5). The Finisher
Controller PCB stops the drive (up) of the Tray Lift Motor (M5) as soon as the Tray Upper Limit Detecting
Switch turns on.
The height of the stack on the tray is identified by the Height Sensor (PS1), which measures its distance
from the top of the stack. The tray is moved down when the distance between the top of the stack and the
Delivery Assembly drops to a specific measurement.
The Finisher Controller PCB cuts off the +24V power of the Tray Lift Motor (M5) as soon as the Safety Zone
Detecting Switch (MS3) turns on while the Shutter and the Swing Guide are open, stopping the operation of
the Finisher.
Ver. 5.2
Tray 1
Tray 2
Tray Lift Motor (M5)
Fig. 2-048
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
Tray Guide
Tray Upper Limit
Detecting Switch
(MS5)
Encoder
Tray Lift Motor Clock
Sensor 2 (PI9)
Tray Lift Motor Clock
Sensor 1 (PI19)
Safety Zone Switch (MS3)
Tray Home Position
Sensor (PI8)
530
JAN 2006
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