April 2017
8-72
Xerox® VersaLink® B7025/B7030/B7035 Multifunction Printer
Launch Issue
Product Technical Overview
Major Components
Refer to Figure 16. The major components of the stacker tray are:
• Stack Height Sensor - This photo sensor (reflection type) detects the presence of paper
in the stack tray. LOW (sensor receives light) = The reflective sensor detects paper pres
-
ent.
• Stacker Stack Sensor 1 and 2 - These photo sensors in combination detect the position
of the stack tray.
• Stacker Motor - This DC motor moves the stack tray up and down. The stacker motor
rotates in the forward (CW) direction to drive the stack tray down. In the reverse rotation
(CCW), the stack tray is driven up.
Figure 16 Stacker tray components
Stack Tray Height Adjustment
At the beginning of a job, when the tray is empty, the stack height sensor is not blocked and the
stacker motor will raise the stacker tray to the uppermost position. The stack tray gradually
goes down as more sheets of paper accumulate, up to a maximum number of sheets.
The stack height sensor detects paper at a specified time after they are output from the com-
pile tray. When paper is detected, the stacker motor rotates forward (CW) to drive the stack
tray down a specified distance. If the stack height sensor does not detect paper, the stack tray
stays at the height it is at and waits for a next set to be output. Refer to Figure 17.
Figure 17 Stack tray height adjustment
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