Brother DP-525CJ - Fig. 3.10 BLACK Test Display

REPAIR
SERVICE MANUAL
Troubleshooting
3-23
7.3.1.3. Black Test
The BLACK test checks for missing dots (pixels).
Select "3" from the MENU screen.
NOTE:
•
Press the space bar and the displayed bit pattern is reversed.
Every pixel on the screen is displayed.
Fig. 3.10 BLACK Test Display