Brother HL-2290 Service Manual page 151

Assembling Note:
• Fold the Laser unit flat cable at the positions described below.
Mountain fold
Valley fold
71±1
<Main
PCB side>
Electrode
Assembling Note:
• After the replacement, refer to
to enter the adjusted value of the Laser unit.
<How to identify the type of Laser unit and the position of the laser serial number label>
Scanner plate
Assembling Note:
• Attach the laser serial number label as shown in the figure above (on the Scanner
plate) after replacing the Laser unit.
234±5
45°
Fig. 3-36
"3. IF YOU REPLACE THE LASER UNIT" in Chapter 4
Laser serial number label
Fig. 3-37
3-42
108±1
Electrode
Scanner plate
Laser unit
<Laser
unit side>
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