Epson WF-7520/7510/7010 series Revision A
Adjustment Required Adjustments 74
Part Name
Star Wheel
Assy
Remove
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Replace
--- --- --- --- --- --- O --- --- --- --- O --- --- --- --- --- --- --- --- ---
Paper Guide
Front Assy
Remove
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Replace
--- --- --- --- --- --- O --- --- O O O --- --- O --- --- --- --- --- ---
EJ Roller
Remove
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Replace
--- --- --- --- --- --- O O O --- --- O O O --- --- --- --- --- --- ---
Scanner Unit
Remove
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Replace
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Scanner
Motor Assy
Remove
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Replace
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Table 5-2. Required Adjustment List (Adjustment using the Adjustment Program)
Adjustment Type Adjustment using the Adjustment Program
Priority 1 2 4 5 6 3 7 8 9 10 11 12 13 14 15 16 17 18 19
Adjustment Item
EEPROM
data copy
Initialize
Setting
(including
MAC address
setting)
Ink charge
Head ID
input
Maintenance
counter
PE Detector
confirmation
PF / EJ
adjustment
First dot position / PW
adjustment
Bi-D
adjustment
Head
angular
adjustment
PF band
adjustment
PE adjustment
Paper skew
adjustment
PF / EJ
deterioration
offset
PW
deterioration
offset
CR motor
heat
protection
control
PF motor
heat
protection
control
ASF motor
heat
protection
control
*1
Scanner
motor heat
protection
control
*2
1st cassette
2nd cassette
*1
1st cassette
2nd cassette
*1
Purpose
To copy
adjustment
values or the
like stored on
the old Main
Board to the
new board
when the Main
Board needs to
be replaced.
To write sale-
destination-
specific
settings and
the serial
number into
the Main
Board after
replacing it.
To fill ink
throughout
the ink path to
make all the
nozzles ready
for printing.
To correct
characteristic
variation of
the replaced
Printhead by
entering its
Printhead ID
(Head ID).
To reset the
waste ink
counter after
replacing the
Waste Ink
Pad.
Confirm the
PE sensor's
chattering after
detecting the
end of the
paper falls
within the
specified
period.
To correct
variations in
paper feed
accuracy to
achieve
higher print
quality.
To correct the print start
position in the carriage
moving direction through
software control.
To correct
print start
timing in
bidirectional
printing
through
software
control.
To correct tilt
of the
Printhead
caused at the
installation
through
software
control.
To correct
variations in
paper feed
accuracy to
achieve higher
print quality in
band printing.
To correct the paper detection
positions and the mounting
positions of the PE Sensor by
software control.
To align print
start position at
0-digit side with
that at 80-digit
side in bi-
directional band
printing, timing
of firing ink
droplet is
adjusted through
software control.
To reset the
counter or set
it to its
maximum
according to
the replaced
parts.
To reset the
counter
according to
the replaced
parts.
To measure
and correct the
electrical
variation of
the CR Motor
and the Power
Supply Board.
To measure
and correct the
electrical
variation of
the PF Motor
and the Power
Supply Board.
To measure
and correct the
electrical
variation of
the Pickup
Motor and the
Power Supply
Board.
To measure
and correct the
electrical
variation of
the Scanner
Motor and the
Power Supply
Board.
Printout pattern
--- --- --- --- --- --- --- --- --- --- --- --- --- ---
How to judge
---
See
“ 5.2.4
MAC Address
Setting (p78)”
for the details
of the MAC
address
setting.
--- --- --- ---
Examine the
printout
patterns and
enter the
value for the
pattern with
no overlap
and gap
between the
two
rectangles.
PW
Adjustment
Examine the
misaligned lines
printed on top,
bottom, left, and
right of the
paper, and enter
the number
beside the line
that is exactly 5
mm away from
the paper edge
for each side.
1st dot
adjustment
Examine the
lines on the left
side of paper,
and enter the
number beside
the line that
overlaps with
the horizontal
line.
1st dot
adjustment
Examine the
misaligned
lines printed
on left, and
enter the
number
beside the line
that is exactly
5 mm away
from the
paper edge.
Examine the
printout
patterns for
each of the
four modes,
and enter the
value for the
pattern with
no gap and
overlap for
each mode.
Band
pattern
Enter the
values of the
most straight
lines.
Microweave
pattern
Enter the
value for the
group of
which the
gaps between
the two color
bars are the
smallest.
Examine the
misaligned
lines printed
on top and
bottom of the
paper, and
enter the
number
beside the line
that is exactly
5 mm away
from the
paper edge for
each side.
--- ---
Examine the
printout
pattern and
enter the
number of the
one with the
least gap and
overlap
between the
two different
colored lines.
--- --- --- --- --- ---
Adjustment program
O O O O O O O O O O O O O O O O O O O O O
Tool
--- --- --- --- --- --- ---
Ruler Ruler
--- --- --- --- ---
--- ---
--- --- --- --- ---
Note "*1": WF-7520/7010 series only
"*2": WF-7520/7510 series only
"*3": Replacement of the Waste Ink Tray Assy/Paper Guide Lower Porous Pad is necessary
OK
NG
NG
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