Brother MFC 5490CN - Color Inkjet - All-in-One, Service Manual

Page: 316 / 439

9-31 Confidential
9.4.16 Checking of CIS Travel and Specifying of CIS Type (Function code 59)
„
Function
This procedure allows you to check the movement of the CIS unit integrated in the scanner
cover (scanner unit). The CIS unit travels to the three positions--the white reference film
position, scanning start and end positions.
It also allows you to specify the CIS type into the EEPROM on the main PCB. If you replace
the scanner cover or the main PCB, you need to specify the CIS type according to the procedure
given below.
„
Operating Procedure
-- Check the movement of the CIS unit --
(1) Press the 5 and 9 keys in this order in the initial stage of the maintenance mode.
The "1:MO 2:CO 3:CHG?" appears on the LCD.
(2) To call up the CIS travel menu, press the 1 key.
(The "3:CHG" is for specifying the CIS type, as described on the next page. The "2:CO" is
for checking scanning clocks at the factory, so do not access it.)
The "0:30 1:60 2:12 1" appears on the LCD.
(3) Press the OK key.
The "LED PWM : 20" appears on the LCD.
(4) Press the OK key.
The "G PULSE : " appears on the LCD.
(5) Press the OK key.
The "1:WHT 2:FRT 3:MV" appears.
(6) Press the 3, 1, or 2 key, then press the OK key.
The CIS unit moves to the scanning end position, white reference film position, or scanning
start position, respectively.
(7) Press the Stop/Exit key, and the CIS unit returns to the home position.
The machine returns to the initial stage of the maintenance mode.