Ricoh C211 Service Manual page 174

9.3 PRINTING SPEED ADJUSTMENT:
\.
VT2300/VT2500 Main Control Board
Purpose: To set the maximum speed at 120 f 10 rotations/minute.
1. Press the Speed Change key to set the speed at the maximum level.
2, Press the reset key while pressing the "O"key and make sure that the drum
rotation speed is 120 * 10 rotations/minute.
VT2100/VT2130/VT21 50 Only:
3, If not, remove the front cover of the machine and turn on DIP SW 100-6 on
the Main Control PCB [A], Then adjust the speed by turning VRI 00.
VT2300/VT2500 Only:
3. If not, remove the front cover of the machine and then adjust the speed by
turning VRI 01 on the Main Control PCB [A].
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