Epson 3800 Service Manual - Page 51
REAR MANUAL BYPASS, FRONT MANUAL BYPASS, Board Paper Tray Open Sensor
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EPSON Stylus Pro 3800/3800C/3850 REAR MANUAL BYPASS When the prescribed time has passed since a paper was supplied from the feeder on the rear of the printer and the PE sensor detected the paper, the PF roller starts to transport the paper. FRONT MANUAL BYPASS The status of the board paper tray that is used for the front manual feeding is detected by the leaf switch. The leaf switch is moved by the Board Paper Guide Cam which moves together with the board paper tray, and according to the switch position, the board paper tray status is detected. Board Paper Tray Leaf Switch Board Paper Guide Cam Tray Closed Tray Open Figure 2-26. Board Paper Tray Open Sensor OPERATING PRINCIPLES Paper Feed Mechanism Revision A 51
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EPSON Stylus Pro 3800/3800C/3850
Revision A
OPERATING PRINCIPLES
Paper Feed Mechanism
51
REAR MANUAL BYPASS
When the prescribed time has passed since a paper was supplied from the feeder on the
rear of the printer and the PE sensor detected the paper, the PF roller starts to transport
the paper.
FRONT MANUAL BYPASS
The status of the board paper tray that is used for the front manual feeding is detected
by the leaf switch. The leaf switch is moved by the Board Paper Guide Cam which
moves together with the board paper tray, and according to the switch position, the
board paper tray status is detected.
Figure 2-26.
Board Paper Tray Open Sensor
Board Paper Tray
Tray Closed
Tray Open
Board Paper
Guide Cam
Leaf Switch