Toshiba B-852-R Printer User Manual


 
2. MAJOR UNIT REPLACEMENT
EO18-33018
2.8 REPLACING THE MEDIA SENSOR
2-17
2.8.2 Feed Gap Sensor (LED) and Black Mark Sensor (Lower Side)
1) Remove the platen holder R, platen holder L, platen, and strip plate from the printer
2) Remove the SMW-4x8 screw to detach the front cover from the printer.
3) Unhook the two springs.
4) Remove the two SMW-3x6 screws to detach the sensor block from the pritner.
5) Turn over the sensor block.
6) Pull up the two tabs of the sensor case cap to remove it from the sensor case.
7) Remove the feed gap sensor (LED) and black mark sensor (lower side) from the sensor case,
and disconnect the media sensor harness from each sensor.
8) Replace the sensor with a new one, then reassemble in the reverse order of removal.
A
A
SMW-4x8 Screw
Front Cover
Spring
Spring
To CN15 on the
CPU PC board
ass’y
SMW-3x6 Screw
Sensor Block
Media Sensor Harness
Feed Gap Sensor (LED)
Hook
Sensor Case Cap
Sensor Case
Front side of
the printer
Black Mark Sensor
(Lower Side)
Tab
A