Code 45-5 Fbv Tune Up - Ricoh G157 Service Manual

SERVICE MODE MENU

Code 45-5 FBV TUNE UP

This mode can be used when there are image problems caused by the voltages at
the transfer drum. This mode adjusts the drum cleaner bias voltage in the range
between -4 and +4 of the reference value (zero).
1. Use the "Scroll" key and "Select" key to select "NVM
TUNE UP/NVR" in "FACTORY MODE". Then, select
" FBV TUNE UP" in "NVM TUNE UP/NVR".
2. Press the "Select" key after selecting "FBV TUNE
UP" (no.5).
3. Press the "Select" key after selecting a number.
NOTE: The value can be adjusted within 8 steps
between –4 and +4.
4. Press the "Clear" key one more time to return to the
"NVM TUNE UP" mode.
5. Press the "Clear" key one more time to return to
"FACTORY MODE".
G157 5-16
39 FACTORY MODE
NVM TUNE UP/NVR
45 FBV TUNE UP
12345 789ABCDEFG
45 FBV TUNE UP 0
– < 4321 1234 > +
45 LP TUNE UP
23456789ABCDEFG
39 FACTORY MODE
MARGIN ADJUST/L
SM