Ricoh PRIPORT VT 2000 Series Service Manual page 307

28 February '91
Are you using the new VT master? (more sensitive)
Yes
No
Has the platten roller been mounted correctly on the thermal head?
Yes
No
Make prints in Test Pattern mode and check the image. (See page 4-17.)
Does the same problem still occur with the test pattern?
Yes
No
Use the VT master.
Tighten the two knobs securing the platten roller and
adjust the platten roller pressure evenly.
A/D conversion board, CCD board, or
image processing board is defective.
Thermal head, thermal head drive board, or
image processing board is defective.
7-8