Brother DCP6690CW Service Manual page 376

(8) Out of the three rows of the "PF adjust check" pattern (on the
row and select the block that is the least uneven print. Make a note of that block number.
If the least unevenness seems to be far to the left of -8, regard it as -8; if it seems to be far to
the right of +8, regard it as +8. In this case, you need to check whether the paper feed roller
and head/carriage unit are set into place.
(9) Enter the number of the least uneven block found in step (8).
For example, if the number of the least uneven block is +4, press the 4 key while the "PF
ADJ NO. +0" is displayed on the LCD.
If the number is -4, press the
NOTE: In models with touch panel, if the
software keypad, it is necessary to switch the software keypads between the numerical and
function keypads by pressing the Scan and Copy keys simultaneously.
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 using paper tray #1*
(10) 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 three sheets of
"EXIT adjust check" pattern (on
(11) On the machine, press the 5 and 8 keys in this order.
The "1.PF 2.EXIT" appears on the LCD.
(12) To select the paper ejection roller adjustment, press the 2 key.
The "EXIT ADJ NO. +0" appears on the LCD.
(13) Out of the three sheets of the "EXIT adjust check" pattern (on
sheet and select the block that is the least uneven print. Make a note of that block number.
(14) Enter the number of the least uneven block found in step (13) in the same way as in step
(9).
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 feed roller adjustment using paper tray #2
(15) Remove paper from the paper tray #1*.
(16) Drag and drop the "pfadj_lt.prn" onto the Brother Maintenance USB Printer driver icon in
the Filedrgs window shown above.
The machine displays the "RECEIVING DATA" on the LCD and prints out "PF adjust
check LT" pattern on paper fed from paper tray #2 (see
(17) On the machine, press the 5 and 8 keys in this order.
Press the key to display the "1.PFLT 2.EXITLT" on the LCD.
NOTE: In models with touch panel, if the
software keypad, it is necessary to switch the software keypads between the numerical and
function keypads by pressing the Scan and Copy keys simultaneously.
key to display the "PF ADJ NO. -0" and press the 4 key.
, , , and
page 9-33 for a sample printout).
, , , and
*
9-30
page 9-32), check the middle
keys are not displayed on the
page 9-33), check the middle
page 9-34 for a sample printout).
keys are not displayed on the
DX paper tray #1 for duplex print models
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