EPSON Stylus Pro 4400/4450/4800/4880/4880C
Revision C
Operating Principles
Printer Mechanism Components
134
Rear Manual Insertion Sensor
This reverse tension switch sensor (mechanical contact) is mounted at the
rear surface of the printer. The sensor detects paper being fed from the
manual insertion slot.
Figure 2-30. Paper Feed Mechanism Sensors
2.2.5.1 ASF Paper Feed Mechanism
This printer is equipped with an ASF Unit for feeding cut sheet paper.
Operating principles of the ASF Unit are described below.
Figure 2-31. ASF Paper Feed Mechanism
P_THICK_0.8 Sensor
P_THICK_0.3 Sensor
Rear Manual Insertion Sensor
PE Sensor
PF Encoder Sensor
ASF Paper Sensor
ASF Phase Sensor
Detector
Wheel
ASF Unit
LD Roller
LD Roller
Summary of Contents for Stylus Pro 4800 Portrait Edition
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 113: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 156: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 200: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 366: ...C H A P T E R 5 ADJUSTMENT ...
Page 448: ...C H A P T E R 6 MAINTENANCE ...
Page 457: ...C H A P T E R 7 APPENDIX ...