T
echnical
B
ulletin PAGE: 2/6
Reissued: 28th-Sep-12
Model:
AG-P1/C1, AGL-P1/C1, Aries-P1.5/C1.5
Date:
06-Dec-10
No.:
RG178128c
1-2. Confirming Correct Installation of the Developer Unit
- Proper engagement of the drum internal and drum drive external gears -
Make sure the development unit is correctly installed by checking the appearance of the
knob and the screw holes.
When the development unit is correctly installed…
The surface of the knob and the adjacent area (black-colored) is almost flush, as shown in the left
photo. Also, the screw holes for attaching the inner cover should be clearly visible as shown in
the center and right photos.
When the development unit is incorrectly installed…
The surface of the knob is clearly protruding against the adjacent area (black-colored) and the
screw holes are sunk in and are not clearly visible, as shown in the photos above. In this case,
the unit is bounced back towards the front side because the drum internal and drum drive
external gears are not properly engaged as shown below.
Properly engaged Not properly engaged
Drum internal gear Drum drive external gear
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