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 36
Confidential
3.2.2 Printer Main Unit (Ink detection and cover detection system sensors)
Figure 3-13. Ink detection and cover detection system sensors
Table 3-13. Ink detection and cover detection system sensors
No.
Name Function Type
1 Ink End Sensor Detects the end of the ink.
Transmissive
photo-interrupter
(3.3VDC±5%)
2
Rear Unit Detection
Sensor
Detects the installation state of the Rear
Unit.
Mechanical
contact
(3.3VDC±5%)
3 Ink Pack Sensor (Bk) Used for ink pack (black) recognition. CSIC
4 Ink Pack Sensor (Y) Used for ink pack (yellow) recognition. CSIC
5
Front Cover Open
Sensor
Detects the open/closed state of the front
cover.
Mechanical
contact
(3.3VDC±5%)
6
ADF/SCN Open Sensor
(WF-C5790/WF-C5790a/
WF-C5710/ET-8700)
Printer Cover Open
Sensor (WF-C5210/
WF-C5290/WF-
C5290a)
Detects the open/closed state of the ADF/
SCN unit or the printer cover.
Mechanical
contact
(3.3VDC±5%)
7 Ink Pack Sensor (M) Used for ink pack (magenta) recognition. CSIC
8 Ink Pack Sensor (C) Used for ink pack (cyan) recognition. CSIC
9
Maintenance Box
Sensor
Used for maintenance box recognition. CSIC