Optics; Overview; Halogen Lamp; Toner Shield Glass - Ricoh FT5535 Service Manual

OPTICS

8. OPTICS

8.1 OVERVIEW

8.1.1 Halogen Lamp

The specifications of the halogen lamp have been changed as follows.
Note that the A204/A206/A207 models are faster, so they need more light
during exposure.
A204/A206/A207
A208/A210/A211
(
The halogen lamps installed in the A208/A210/A211 are the same as for the
A153/A155/A156 copiers

8.1.2 Toner Shield Glass

The shield glass by the green filter above the drum has been removed (it is
no longer needed).

8.1.3 Optics Cooling Fans

The optics cooling fan specifications have changed. Both models now have
two fans; this is because the cpm for the A207/A210/A211 models has
been increased from the previous models (27 → 32). Also the rotating
speed has been changed as follows:
Rotating speed
Rotating temperature
Number of fans
(
The rotating speed of 3,200 rpm is as same as for the A153/A155/A156 copiers.

8.2 SCANNER DRIVE

The scanner drive speeds have changed as follows.
The first scanner drive speed in full size mode is:
240 (mm/s) for A204/A206/A207 copiers
200 (mm/s) for A208/A210/A211 copiers
The first scanner drive speed for a selected reproduction ratio is:
240/M (mm/s) for A204/A206/A207 copiers
200/M (mm/s) for A208/A210/A211 copiers
NOTE: M = Selected reproduction ratio (0.5 ~ 2.0)
A207/A208/A211
CÓPIA NÃO CONTROLADA
115 V Machines
97 V 310 W
(
97 V 280 W
A204/A206/A207
3,450 rpm
45°C
2
1-30
CÓPIA NÃO CONTROLADA
230 V Machines
85 V 310 W
(
85 V 280 W
A207/A210/A211
(
3,200 rpm
45°C
2
SM