Brightness Adjustment; Brightness Adjustment Procedures - Epson Stylus Photo 895 Service Manual

EPSON Stylus PHOTO 895/785EPX

5.5.2 Brightness adjustment

To absorb the individual difference between panel units, adjust VR500 and VR501 on
the control board.
To check the image, observe from the front against the screen.

5.5.2.1 Brightness adjustment procedures

To perform the inspection with the rear case removed, pay great
attention not to get electric shocks during work.
1. Update to the firmware for inspection following the procedure in 5.4 "Firmware
update".
2. Connect the monitor cable with CN600 with the rear case of preview monitor
detached.
3. Display the 16 level gray scales following the Figure 5-28. "Inspection image
display procedure.".
4. Turn VR501 and check that the level is variable, then set it at the central click
position.
5. Turn the VR500 with the precision screwdriver to adjust so that the 16 levels can
be the center.
Adjustment Adjustment/inspection of the preview monitor
VR500
VR501
Figure 5-29. VR instrumentation
Revision A
134