Ricoh D197 Service Manual page 412

5. Left scale and exposure glass [A]

The exposure glass and the left scale are attached with double-sided tape.

When installing, please follow the points below:

The red mark [A] of the ADF exposure glass is on the left at the rear of the
operation panel.

The locating holes of the left scale fit over the locating bosses of the front/rear
frame.
SM 4-39 D197/D198/D199/D200/D201/D202
Scanner Unit