Toshiba B-852-R Printer User Manual


 
2. MAJOR UNIT REPLACEMENT
EO18-33018
2.8 REPLACING THE MEDIA SENSOR
2-16
2.8 REPLACING THE MEDIA SENSOR
2.8.1 Feed Gap Sensor (TR) and Black Mark Sensor (Upper Side)
1) Open the top cover and raise the print head block.
2) Pull up the two tabs of the sensor case cap to remove it from the sensor block.
3) Remove the feed gap sensor (TR) and black mark sensor (upper side) from the sensor case.
Disconnect the media sensor harness.
4) Replace the sensors with new ones, then reassemble in the reverse order of removal.
NOTES: 1. When reassembling the sensor case cap, fit the hooks of the sensor case into portion A of
the sensor case cap.
2. When reassembling the sensors, align the pins on the sensor case with the holes of the
sensors.
3. Connect the harness including the green wire to the black mark sensor (Upper side).
4. Pass the media sensor harness between the harness guides.
5. Since connectors of the sensors are small, be careful not to break their pins.
Sensor Case Cap
Tab
Feed Ga
p
Sensor
(
TR
)
Media Sensor Harness
Black Mark Sensor
(Upper Side)
Sensor Case
A
Hook
Front side of
the printer
Black Mark Sensor (Upper side)
(Number of pins: 3)
Green
Sensor Case
Sensor Guide
Media Sensor Harness
Feed Gap Sensor (TR)
Pin
Front side of the printer