Brother MFC-8220, Service Manual

Page: 257 / 328

MFC-8220
SERVICE MANUAL
7-19
3.11 Fine Adjustment of Scan Start/End Positions (Maintenance mode 54)
< Function >
This function is to adjust the scan start/end positions.
< Operating Procedure >
(1) Press the 5 and 4 keys in this order in the initial stage of the maintenance mode.
The “SCAN START ADJ.” will appear on the LCD.
(2) After a while, the present compensation levels of the scan start/end positions are
displayed.
Compensation levels can be adjusted in 11 steps from +5 to –5 (mm).
(3) Press the left arrow key to increase compensation levels, and the right arrow key to
lower them.
Press the Stop/Exit button, and the machine returns to the initial state of the
maintenance mode without adjusting compensation levels.
(4) Press the Set button.
The “ACCEPTED” will appear on the LCD. One second later, the machine returns to
the initial stage of the maintenance mode.
Leading edge of document
Trailling edge of document
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
Fig.7-13
NOTE:
The correlation between the scan start/end positions and compensation levels is shown
below.