Epson TM-U675 - Detector Functions and Positions

Rev.D Troubleshooting 1-21
TM-U675/U675P (with autocutter) Service Manual
Confidential
Detector Functions and Positions
The following shows the positions and the functions of the detectors.
*The roll paper near-end detector mechanism is installed in the paper supply unit.
Figure 1-17
Table1-5 Detectors and functions
Mechanism Function
Home position detection
mechanism
Initial setting of printer (carriage home position)
Carriage detection mechanism Detection of head carriage malfunction
B.O.F. detection mechanism Slip detection
T.O.F. detection mechanism Slip detection
Paper ejection detection
mechanism
Slip detection
Roll paper end detection
mechanism
Roll paper detection
*Roll paper near-end
detection mechanism
Roll paper detection
Validation detector mechanism Validation paper detection
Lever motor T.P. detection
mechanism
Lever drive motor timing signal detection
Front cover detection mechanism Front cover open/closed status detection
Rear cover detection mechanism Detects the open/close status of the rear cover
Autocutter detector function Detects the position of the autocutter movable
blade.
Roll paper N.E. detector (micro switch)
Rear cover detector assembly
Autocutter detector assembly
Paper ejection detector assembly
Front cover detector assembly
Validation detector assembly
Home position detector
assembly
Lever motor T.P. detector
assembly
Carriage detector
assembly
T.O.F. detector
assembly
B.O.F. detector
assembly
Roll paper end detector assembly