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Optional Tray Motors, Rollers, and Clutches
The following describes the paper path as it is fed from the optional Tray 3. Trays 4
through 6 function in the same manner. Media moves along the paper path as follows:
1.
Paper loaded in the tray is detected by the Paper Size Switches.
2.
The tray's Lift Motor rotates lifting the sheet to the pre-feed position detected by
the Level Sensor.
3.
The Feed Motor turns (CCW) driving the Feed and Pick rollers to feed the sheet
from the tray into the Registration Roller.
4.
The Feed-Out Sensor #3 detects the media as it leaves the Feed Rollers.
5.
As the trailing edge of each sheet passes the Feed-Out Sensor #3, the Lift Motor
lifts the next sheet to pre-feed position.
6.
The Feed Motor rotates until the leading edge is against the Registration Roller
#3 inducing a deskew buckle. Registration Sensor #3 goes High to indicate the
sheet's position.
7.
The sheet moves towards the Transfer Unit when the Registration Clutch #3 is
engaged driving the Registration Roller #3 and Transport Rollers.
8.
As the sheet reaches the Registration Roller #2, it is again aligned and detected
by the Registration Sensor #2.
9.
When the Registration Sensor #2 goes High, the Registration Clutch #2 is
activated to move the sheet through the Registration Roller #2 to the Registration
Roller #1.
10.
As the sheet reaches the Registration Roller #1, it is detected by the Registration
Sensor #1.
11.
When the Registration Sensor #1 goes High, the Registration Clutch #1 is
activated to move the sheet through the Registration Roller #1 to the Transfer
Unit.
12.
The sheet is detected by the Transfer Unit Entrance Sensor and the Transfer Unit
Motor rotates to drive the sheet under the Imaging Units.
Theory of Operation
2-37
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Troubleshooting
