Updating Of Paper Feeding Correction Value (Function Code 58) - Brother MFC640CW Service Manual

8.4.11 Updating of Paper Feeding Correction Value (Function code 58)

Function
To keep the paper feeding performance in the best condition for quality print, the controller
optimizes the rotation of the paper feed roller, using the correction value stored in the EEPROM on
the main PCB.
If you replace the engine unit, paper ejection roller, or head/carriage unit, you need to update the
paper feeding correction value according to the procedure given here.
Operating Procedure
(1) Switch on your PC.
(2) Place the machine in the maintenance mode. (See
(3) Connect the machine to your PC using the USB cable.
(4) Run "FILEDG32.exe" in the folder created in
The Filedrgs window appears as shown below.
(5) Drag and drop the "PFROLL.PRN" onto the BHL2-Maintenance Printer icon in the Filedrgs
window shown above.
The machine displays the "RECEIVING DATA" on the LCD and prints out "PF adjust check"
patterns (see page 8-28 for a sample printout).
Section 8.1.)
Section 6.1.1.
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