8 ] Print Out A Total Check Pattern - Brother MFC5890CN Service Manual

[ 8 ] Print out a total check pattern

Before starting the operation below, be sure to set A4-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" 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
B: Checking for horizontal streaks
C: Margin adjustment for borderless
printing (600 dpi)
D: Paper feed roller adjustment
E: Margin adjustment for borderless
printing (1200 dpi)
F: Adjustment of vertical print lines
(450 dpi, 600 dpi, and 1200 dpi)
G: Head positioning adjustment
H: Margin adjustment for borderless
printing (600 dpi)
I: Adjustment of discharging
conditions of all nozzles
J: Checking for vertical streaks
K: Margin adjustment for borderless
printing (1200 dpi)
L: Paper ejection roller adjustment
M:Margin adjustment for borderless
printing (trailing edge)
(4) Repeat steps (2) and (3) until no problem is found.
Check that the top margin is within 3±1 mm and the first printed line is not
inclined.
Check for no banding or black/white horizontal streaks.
Check that there is no left or right margin in 600 dpi.
Go back to Section 7.2 [ 7
Check the result of PF roller compensation. Check that the section number
with the lightest checkered pattern is within ±2. Go back to
Check that there is no left or right margin in 1200 dpi.
Go back to Section 7.2 [ 7
Check that #2 block with "OK" shows full alignment in each of 450 dpi, 600
dpi, and 1200 dpi. Go back to
Check the result of the head skew adjustment. Check that the section number
with the lightest checkered pattern is within ±2. Go back to
Check that there is no left or right margin in 600 dpi.
Go back to Section 7.2 [ 7
Check that all nozzles discharge ink normally.
Check for no white/black vertical streaks.
Check that there is no left or right margin in 1200 dpi.
Go back to Section 7.2 [ 7
Check the result of the exit roller compensation. Check that the section
number with the lightest checkered pattern is within ±2. Go back to
7.2 [ 5 ].
Check that the bottom margin is within 5±2 mm. Go back to
7-26
Section 7.1.1.
].
].
Section 7.2 [ 6 ].
].
].
Section 7.2 [ 5 ].
Section 7.2 [ 4 ].
Section
Section 7.2 [ 7 ].
Confidential