SATO E series - Adjustment of Print Darkness; Adjustment of LCD Contrast

SATO M-10e TT/DT Printers Service Manual
PN 900109
Rev. A
4-18
Section 4. Electrial Checks and Adjustments
4.11 Adjustment of Print Darkness
STEP PROCEDURE
1. Adjust VR1 (PRINT VR) on the top cover until a suitable print darkness is obtained.
If a suitable print is not obtained, set the print darkness in the user mode.
4.12 Adjustment of LCD Contrast
STEP PROCEDURE
1. Check that the LCD display backlight is lit and the characters are displayed.
2. Adjust VR4 (DISPLAY VR) on the top cover until a suitable display contrast is obtained.
If the display appears abnormal, replace the LC/Keyboard PCB (Section 6.9) or the Main
Circuit Board (Section 6.4).
VR1 PRINT
VR4 DISPLAY