Brother HL-4140CN Service Manual page 310

(3) When assembling Nos. 6 to 9 LY0196001 Drum coupling gear Z52, be sure to
assemble them by aligning the phase as shown in the figure below.
- Align the mark (
the Drum idle gear Z64-26.
- Align the mark (
the two marks (
- Align the mark (
the Drum idle gear Z64-26.
- Align the mark (
the two marks (
Top drive ASSY
Drum coupling
Mark(
gear Z52
6
Mark( )
Mark( )
Note:
Since the teeth of the gears are oriented at an angle in the shaft direction, be careful when
aligning the phase upon mounting the gears.
) of the Drum coupling gear Z52 of No. 6 with the mark (
) of the Drum coupling gear Z52 of No. 7 at the center between
) of the Drum idle gear Z64-26.
) of the Drum coupling gear Z52 of No. 8 with the mark (
) of the Drum coupling gear Z52 of No. 9 at the center between
) of the Drum idle gear Z64-26.
)
7
Drum idle Drum coupling
Mark( )
gear gear Z52
Z64-26
Mark(
8
Mark( ) Mark(
Fig. 4-4
4-12
Drum idle
gear
Drum coupling
)
Z64-26 gear Z52
9
)
Mark( )
Confidential
) of
) of