Brother Facsimile Equipment MFC7420 - Manual (Page 153)

6 - 2 Confidential
6.2 IF YOU REPLACE THE LASER SCANNER
UNIT ASSY
[ 1 ] Inputting the adjusted value of the laser scanner
(1) Double-click the brmainte.EXE file (maintenance utility).
(2) Select Input Information from Menu. Select the applicable model name.
(3) Check the port (USB) which the machine is connected through.
(4) Select ‘Adjust Scanner’ from Menu. Enter the figures (the last four digits) shown on the
label attached on the chassis at the right hand side of the main PCB into the box at the
right hand side.
6.3 IF YOU REPLACE THE DOCUMENT SCANNER
UNIT
[ 1 ] Acquire of white level data and set the CIS scanner area (Function code 55)
Refer to Chapter 8. Section 8.4.12