Ricoh A151 Field Service Manual page 199

- Action -
Make a copy in reduction mode at manual image density level 4.
Is the non-image area dirty?
Yes No
Is the optics section dirty?
No Yes
Clean the optics and perform the necessary SP modes
in order (SP95, 48, and 56).
Is the exposure lamp light intensity too weak due to deterioration?
No Yes
Replace the exposure lamp.
Is the signal at CN119-4 LOW after the Start key is pressed? (No
bias voltage is applied to the development roller.)
No Yes
Replace CC/Grid/Bias power pack.
Replace the main board.
Is the cleaning blade worn?
No Yes
Replace the cleaning blade.
Are the erase lamp and/or quenching lamp dirty?
No Yes
Clean the erase lamp, quenching lamp, as required.
If toner scattering occurs, see the toner scattering section of the manual.
FSM 6-5 A151/A152