Epson Stylus Pro 4910 Service Manual page 109

Epson Stylus Pro 4900/Epson Stylus Pro 4910
(p221)
Paper Guide Sensor
Detects the rising/lowering status of the
Paper Eject Support.
DISASSEMBLY & ASSEMBLY
Roll Sensor
Functions as follows:
1. Detects the top/bottom ends of roll paper.
2. Detects the presence of roll paper.
(p216)
Roll Unit Sensor
Detects the installation status of the
Roll Unit.
Figure 3-8. ROLL Unit
Parts Diagram
(p222)
Roll Feeding Sensor
Detects the pressing/separation status
of the Roll Feeding Roller.
Roll Feeding Motor Assy
Functions as follows:
1. Feeds roll paper forward.
2. Switches the pressing/separation status
of the PF Rollers.
Roll Lock Sensor
Detects the lock/unlock status of the
ATC planetary gear.
(p219)
ATC Motor Assy
Winds/rewinds roll paper and generates back tension.
* ATC: Auto Tension Control
Revision A
(p220)
(p217)
110
Confidential