Color Lcd Display Check; Button Operation Check - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

5.9.3 Color LCD Display Check

This allows you to check if there is any dot missing occurring or not on the Color LCD.
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
→
2. Select SELF TESTING Mecha Adjustment
3. Select each color (Red, Green, Blue) in order, and press [Menu
The selected color will be displayed on the LCD. Check if there is no dot missing.
4. To select the next color, press [Pause/Reset] or [Paper Source
LCD RGB Check
Red
Green
Blue
Figure 5-86. Color LCD Display Check
ADJUSTMENT
] + [Paper Feed ] + [OK]
→
LCD RGB Check.
].
].

5.9.4 Button Operation Check

This allows you to check if buttons on the control panel function correctly.
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
→
2. Select SELF TESTING
3. Press the button you want to check the function, and check if the button name you
pressed matches the name on the Panel displayed.
Epson Stylus Pro 7900/7910/9900/9910/
7890/7908/9890/9908: BK Change
Epson Stylus Pro 7700/7710/9700/9710/WT7900/WT7910: CL
Pause
Figure 5-87. Button and Panel Display
Tests
] + [Paper Feed
→
Mecha Adjustment Panel Check.
Ink Cover
Revision I
] + [OK]
Auto R
Cutter
429
Confidential