Brother MFC990CW Service Manual page 315

(6) Enter the number of the least uneven block found in step (5).
For example, if the number of the least uneven block is +4, press the 4 key when the "PF
ADJ NO. +0" is displayed on the LCD. (For models without numerical keypad, enter 4
using the , and OK keys.)
If the number is -4, press the
(For models without numerical keypad, enter
NOTE: In models with touch panel, if the
software keypad, it is necessary to switch the software keypad between the numerical and
function keypads by pressing the Scan and Copy keys simultaneously.
NOTE: In models with touch panel, switching between "+" and "-" entries can be done by
pressing the Scan and Copy keys, respectively, instead of the
press the Scan key; to enter a "-" value, press the Copy key.
Then press the OK key (Photo Capture key for models without OK key), and the machine
returns to the initial stage of the maintenance mode.
For the paper ejection roller adjustment
(7) On your PC, drag and drop the "exitadj.prn" onto the Brother Maintenance USB Printer
driver icon in the Filedrgs window.
The machine displays the "RECEIVING DATA" on the LCD and prints out the "EXIT
adjust check" pattern (see
(8) On the machine, press the 5 and 8 keys in this order. (For models without numerical
keypad, enter 5 and 8 using the
The "1.PF 2.EXIT" appears on the LCD.
(9) To select the paper ejection roller adjustment, press the 2 key. (For models without
numerical keypad, enter 2 using the
The "EXIT ADJ NO. +0" appears on the LCD.
(10) On the "EXIT adjust check" pattern (on
and select the block that is the least uneven print on each row. Make a note of the average
of the two block numbers.
If the number of the block that is the least uneven print is 0 on one row, and it is -2 on the
other row, for example, the average is -1.
(11) Enter the average obtained in step (10) in the same way as in step (6).
Then press the OK key, and the machine returns to the initial stage of the maintenance
mode.
key to display the "PF ADJ NO. -0" and press the 4 key.
,
page 7-19 for a sample printout).
, and OK keys.)
, and OK keys.)
page 7-19) consisting of two rows, check each row
7-17
and 4 using the ,
, , and keys are not displayed on the
key. To enter a "+" value,
and OK keys.)
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