Ricoh FT 4015 Service Manual page 205

20 December 1996
24 volts
Replace the toner supply motor.
No
Is SP30 (Toner Supply Mode Selection) set to the default value?
Yes No
Change the value to the default setting "0".
Is the grid voltage correct?
Yes No
Readjust the grid voltage.
Clean the optics section and around the imaging unit.
Perform the necessary SP modes in order (see Section 4 - Service Remarks
for details).
Check the related SP mode settings (SP30, 31, 32, 33, 34, 35, 36, 38, 48, 53,
54 and 62).
Change the settings to lean towards the lighter side.
0 volt
Replace the main board.
7-15
COPY QUALITY