Ricoh FT5535 Service Manual page 168

6. If the image density is not correct, go through the following steps.
1) Enter SP4-001.
2) Change the exposure lamp voltage setting displayed in the reduce/enlarge
indicator. Use the number keys and follow these rules:
If image density is too dark, increase the setting
If image density is too light, decrease the setting
NOTE: The voltage can be set between 50 and 75 V in 0.5 V steps. The
default setting is on the "SP MODE FACTORY SETTING DATA"
sheet located in the upper inner cover.
3) Leave SP mode and make a copy at manual image density level 4.
4) Check whether the image density is correct or not. If it is not, repeat the
above steps from (1) to (3).
7. Perform ADS gain adjustment (SP4-201) and forced V
NOTE: If the image density cannot be adjusted satisfactorily, adjust the
development bias using SP2-201-001 (see section 10-3).
FT5535/4527/4522
L
5-52
detection (SP3-105).
FSM