Ricoh FT 4215 Service Manual page 40

31 March 1994
[A]
[B]
[B]
6. Remove the bearing [A] (1 screw [B]) from the old drum and install them
on the the new drum. Do not remove the protective sheet from the new
drum.
7. Set the OPC drum in the unit and put the bearing holder [C] back in
place. Tighten the screws.
NOTE: a) When setting the drum in the unit, be careful not to strike it
against the rail.
b) Do not bend the bearing holder. Make sure bearing holder is in
contact with the bearing [D], as they are both used to ground
the unit. If they are not in contact, solid black copies may
occur.
c) Do not touch the drum surface.
8. Set the drum unit in the machine and remove the drum protective sheet.
NOTE: After installing a new drum, be sure to apply the setting power to
the entire surface of the drum.
9. Reinstall the other units around the drum unit.
10. Reset the drum counter using SP66.
11. Perform the ID sensor (Vsg) adjustment using SP54. (See ID Sensor
Adjustment of the A110/A111 copier.)
12. Perform the light intensity adjustment using SP48. (See Light Intensity
Adjustment of the A110/A111 copier.)
13. Perform the ADS adjustment using SP56. (See ADS Adjustment of the
A110/A111 copier.)
[A]
39
REPLACEMENT AND ADJUSTMENT
[C]
[D]