Epson 3800 Service Manual - Page 50

EPSON Stylus Pro 3800/3800C/3850 Revision A 4. Pressing the hopper The hopper cam on the LD roller shaft presses the hopper and remaining paper on the tray is moved away from the feeding position. 5. Moving the paper anti-slip tabs upward The LD roller shaft rotates to actuate the lever on the shaft and move the paper anti-slip tabs upward. The tabs prevent the paper from slipping into the paper feeding section. 6. Transporting paper in the printer Paper fed into the printer is transported by the PF roller. 7. Releasing the back end of paper When the hopper actuating cam presses the hopper further in synchronization with the rotation of the LD roller, left and right paper guides that regulate the paper width are extended releasing the back end of paper. 8. Standing-by The hopper returns to the stand-by position and ends the paper loading operation. Position Detection Section ASF Sensor Hopper Combination Gear, 58.22 ASF Motor Hopper groove Hopper Actuating Cam LD Roller Shaft Paper Holding State Paper Releasing State Figure 2-23. Releasing the Back End of Paper Paper Anti-slip Tab LD Roller Shaft LD Roller Retard Roller Figure 2-24. ASF Drive Mechanism ASF Motor Combination Gear, 58,22 Spur Gear, Shaft, LD LD Roller Shaft Spur Gear, Shaft, LD LD Roller Paper Anti-slip Tab Hopper Assy Figure 2-25. ASF Drive Transmission Path OPERATING PRINCIPLES Paper Feed Mechanism 50