Toshiba B-852-R Series Maintenance Manual page 15

2. MAJOR UNIT REPLACEMENT
3) Replace the head up sensor with a new one, then reassemble in the reverse order of removal.
4) Perform a test print to print to confirm that the printer works properly.
NOTE: Be careful not to damage the slit sensor (Rewind/Feed) when replacing it, as this may cause a
malfunction.
2.6.2 Replacing the Slit Sensor (Rewind/Feed)
1) Remove the two SMW-3x6 screws, then remove the PCB support plate from the printer.
PCB Support Plate
2) Remove the media sensor harness from the clamp.
3) Remove the two SMW-4x6 and the two D-3x6 screws, then remove the motor block from the
printer.
SMW-4x6 Screw
SMW-4x6 Screw
4) Remove the three SMW-3x6 screws and sensor harnesses, then remove the slit sensor
(rewind/feed) from the motor block.
Slit Sensor (Feed)
Sensor Harness (Brown)
Slit Sensor (Rewind)
Motor Block
2.6 Replacing the Head Up Sensor, Slit Sensor (Rewind/Feed) and Ribbon Motor (Rewind/Feed)
Sensor Harness
Cable Clamp
Motor Block
SMW-3x6 Screw
2-11
EO18-33018
SMW-3x6 Screw
D-3x6 Screw
Sensor Harness (Red)
Sensor Harness (Orange)
Slit Sensor (Feed)