Ricoh FT4460, Service Manual, Page: 201 / 413

28 February 1989
5. PREVENTIVE MAINTENANCE SCHEDULE
After performing the preventive maintenance, do the following:
1.
2.
3 .
4.
5.
6 .
Make a copy of the O-S-A3 test chart at manual image density level 4 to
set the lamp voltage (SP Mode No.48) and achieve the proper exposure
lamp intensity (see Exposure Lamp Voltage Adjustment).
Adjust the ADS. Select SP Mode No.58 and turn VR101 to adjust the ADS
to 3.0 ± 0.1V.
Carry out ADS Memory Reference Voltage. (Press the start key in SP
Mode No.56, and let the scanner run more than 5 times.)
Adjust the Vsg. Select SP Mode No.54 and turn VR102 to adjust Vsg to
4.0 ± 0.2V.
Select SP Mode No.1 and make a copy of the SP Mode Data Sheet. Fill
out the copy of the sheet. Keep the copy for future reference.
Make a sample copy.
NOTE: 1) Do Drum Initial Setting (SP#66) after replacing the drum.
2) Do Black Developer Conditioning (SP#65) after replacing the
black developer mixture.
3) Do Color Developer Conditioning (SP#10) after replacing the
color developer mixture.
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