Ricoh D197 Service Manual page 1052

SC No. Level
SC142-00 D
SM
Error Name/Error Condition/Major Cause/Solution
White Level Detection Error
The white level cannot be adjusted to the second target level
within the target during auto gain control.

SBU defective

LED defective

IDB (LED driver) defective

IPU defective

Power/signal harness defective

Scanner drive error

Condensation in scanner unit

Mirrors or lenses dirty or positioned incorrectly

White plate dirty or installed incorrectly
1. Turn the power off/on.
2. Perform the following operations:

Reconnect the power/signal harness.

Reattach/clean the mirrors/lenses.

Reattach/clean the white plate.
3. Replace the following parts:

Replace the lens block (SBU board).

Replace the scanner lamp (LED board).

Replace the IPU board.

Replace the SIO board.

Replace the power/signal harness.
6-9
SC Tables: SC1xx (Scanning)
D197/D198/D199/D200/D201/D202