(4) Detaching and refitting the laser scanner unit
Take the following procedure when the laser scanner unit is to be replaced.
Procedure
1. Remove the original cover or the DP.
2. Remove the upper right cover, contact
glass, upper rear cover, middle left cover,
upper left cover, slit glass and front scanner
cover (see page 1-5-13).
3. Remove the four screws holding the right
cover and then the cover. Remove the ten
screws holding the rear cover and then the
cover.
4. Detach the connector YC8 on the main
PWB. Detach the connectors YC16,
YC17,YC18 and YC19 on the engine PWB.
Right cover
Figure 1-5-41
Main PWB
Engine PWB
YC16
Figure 1-5-42
2HA/2HB
Rear cover
YC8
YC19
YC17
YC18
1-5-19