Brother MFC620CN Service Manual page 290

DCP315CN/310CN/120C/117C/115C/110C
(1) Enter 5 and 9 in the initial stage of the maintenance mode by using the
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
The "1:MO 2:CO 3:CHG " appears on the LCD. This menu is for checking scanning clocks at
the factory. Skip this menu and call up the CIS travel check menu by performing steps (2)
through (4).
(2) Enter 1 by using the
The "LED PWM: " appears.
(3) Press the Set key.
The "G PULSE: " appears.
(4) Press the Set key.
The "1:WHT 2:FRT 3:MV" appears on the LCD.
NOTE: Entering 1 may call up the debug screen to be used at the factory. Display the "1:WHT
2:FRT 3:MV."
(5) Enter 3 by using the
Press the Set key to move the CIS unit to the scanning end position.
Entering 1 or 2 moves the CIS unit to the white-level reference film position or the scanning
start position, respectively.
(6) To stop the CIS unit, press the Stop/Exit key.
The machine returns to the initial stage of the maintenance mode.
●When exchanging the scanner cover
MFC620CN*/425CN/420CN*/215C/210C* (USA/CANADA models only) and FAX2240C*,
DCP315CN/120C/117C/115C/110C*
When replacing the scanner cover, please refer to the Reassembling Notes of
Cover (Scanner Unit) for the operating. Please also confirm the type (RHOM or CCI) of the CIS.
When replacing the CIS, which is different from the previous one, please follow the operating
below to set up the CIS.
(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) Press the 3 key.
The "O : C 1 : RS 2 : Q" appears on the LCD.
(3) Press the "0" key, if the type of CIS is CCI when exchanging the scanner
Press the "1" key, if the type of CIS is ROHM when exchanging the scanner
(4) The machine returns to the initial stage of the maintenance mode.
*Require only for the models with a character "Z"
on the Rating Label affix to the back of the machine.
Please refer to the illustration on the right.
and Set keys.*
and Set keys.*
8 - 3 2
and Set keys.*
key several times to
Section 5.1.4 Scanner
Confidential