Epson WF-C5210 - Printer Main Unit (Encoder Sensors and PW Sensor)

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Configuration and operating principles Motor, Sensor, Clutch, and Solenoid Specifications 37
Confidential
3.2.3 Printer Main Unit (Encoder sensors and PW sensor)
Figure 3-14. Encoder sensors and PW sensor
Table 3-14. Encoder sensors and PW sensor
No. Name Function Type
1 CR Encoder
Used for CR operation control (CR scale
reading).
Transmissive
photo-interrupter
(3.3VDC±5%)
2 ASF Encoder
Used for paper loading driving (ASF
motor) control.
Transmissive
photo-interrupter
(3.3VDC±5%)
3 PF Encoder
Used for paper feed driving (PF motor)
control.
Transmissive
photo-interrupter
(3.3VDC±5%)
4IS Encoder
Used for ink eject driving (I/S motor)
control.
Transmissive
photo-interrupter
(3.3VDC±5%)
5 PW Sensor
Used for paper leading edge and paper
width detection.
Reflective photo-
interrupter
(3.3VDC±5%)
1
2
3
4
5