Updating Of Paper Feeding Correction Values (Maintenance Mode 58) - Brother DCP-J4110DW Service Manual

1.3.19 Updating of Paper Feeding Correction Values (Maintenance mode 58)

< Function >
To match the paper feeding amount with the head nozzle pitch, the machine optimizes the
rotations of the paper feed roller and paper ejection roller, using the correction values stored in
the EEPROM on the main PCB.
If you replace the head/carriage unit or main PCB or remove the engine-related parts, you need
to update the paper feeding correction values according to the procedure given below.
< Operating Procedure >
For printout of test patterns
(1) On your PC, when using A4-sized paper, save copies of "pfadj1_A4_BHS13.prn" and
"pfadj2_A4_BHS13.prn" to a USB flash memory or SD card. When using letter-sized
paper, save copies of "pfadj1_LTR_BHS13.prn" and "pfadj2_LTR_BHS13.prn."
(2) Use Section 1.3.21 "Printout of PRN/JPEG Files in Memory Card (Maintenance mode 61)"
to print test patterns.
Tip: The test patterns can also be printed by opening "Filedrgs" on your PC and dragging &
dropping the above adjustment files onto the Brother Maintenance USB Printer driver icon.
For adjustment of all paper feeding correction values
(1) Press the 5 and 8 keys in this order in the initial stage of the maintenance mode.
The "Select 58?" appears on the LCD.
(2) Press the Mono Start key.
The "1. ALL" appears on the LCD.
(3) Press the 1 key.
The "PF_ONLY NO. +0" appears on the LCD.
(4) On the pfadj1 pattern (see
the least uneven print and enter the block number.
For example, if the number of the least uneven block is +4, press the 4 key with the "PF_
ONLY NO. +0" being displayed on the LCD. If the number is -4, press the
the "PF_ONLY NO. -0" and press the 4 key. Then press the SET key.
(5) The "PF1 NO. +0" appears on the LCD.
(6) On the pfadj1 pattern (see
sequentially. First, on the PF1 row, select the block that is the least uneven print and enter
the block number. Then press the SET key.
(7) In the same way, enter the number of the least uneven block for each of PF2 through PF6,
and then press the SET key.
The "EXT NO. +0" appears on the LCD.
(8) On the pfadj1 pattern (see
step (4), enter the number of the block that is the least uneven print and then press the SET
key.
The "LF300 NO. +0" appears on the LCD.
page 5-38), check the PF0 row of blocks. Select the block that is
page 5-38), check each of the PF1 through PF6 rows
page 5-38), check the EXIT row of blocks. In the same way as in
5-34
key to display
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