8 ] Print Out A Total Quality Check Pattern - Brother DCP375CW Service Manual

[ 8 ] Print out a total quality check pattern

Before starting the operation below, be sure to set letter-size paper in the paper tray for printing
check patterns.
(1) On your PC, run "filedg32.exe" in the folder created in
The Filedrgs window appears as shown below.
(2) Drag and drop the "qualbh9.prn" ("qual_dcp140.prn" for DCPJ140W) 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 the "Total
Quality Check Pattern" (see the next page for a sample printout).
(3) Check the printed check pattern. If any problem is found, go back to the related item (any
of [ 4 ] through [ 7 ] above) and make adjustments again.
A: Leading-edge print start position Check that the top margin is within 3±1 mm and the first printed line is
B: Paper feed roller adjustment
C: Margin adjustment for
borderless printing (600 dpi)
D: Adjustment of vertical print
lines
E: Head positioning adjustment
F: Margin adjustment for
borderless printing (1200 dpi)
G: Paper ejection roller adjustment Check the result of the paper ejection roller compensation. Check that
(4) Repeat steps (2) and (3) until no problem is found.
not inclined.
Check the result of PF roller compensation. Check that the section
number with the lightest checkered pattern is within ±2.
Go back to Section 7.2 [ 5
Check that there is no left or right margin in 600 dpi.
Go back to Section 7.2 [ 7
Models except DCPJ140W: Check in the center column with OK that
each block for 450 dpi, 600 dpi and 1200 dpi shows full alignment.
DCPJ140W: Check in each of columns (A) to (D) that the center block
shows full alignment.
Go back to Section 7.2 [ 6
Check the result of the head skew adjustment. Check that the section
number with the lightest checkered pattern is within ±2.
Go back to Section 7.2 [ 4
Check that there is no left or right margin in 1200 dpi.
Go back to Section 7.2 [ 7
the section number with the lightest checkered pattern is within ±2.
Go back to Section 7.2 [ 5
7-28
Section 7.1.1.
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