Epson WF-5690 Series Service Manual page 56
Color inkjet printer
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Epson WF-5690/4640/4630/5620/5190/5110 series
Adjustment Type
Priority
1
2
Initialize
Setting
EEPROM
Adjustment Item
(MAC
Pressure
data copy
address
Release
setting)
To copy
To write
To
adjustment
sale
minimize
values or
destination-
the amount
the like
specific
of ink
stored on
settings and
spilling
the old
the serial
when
Main Board
number into
removing
to the new
the Main
the pint
Purpose
board when
Board after
head,
the Main
replacing it.
discharge
Board
ink in the
needs to be
ink tube via
replaced.
the Ink
System
(Cap) out of
the printer
Remove
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CR Motor
Replace
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Remove
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Front Frame
Replace
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Remove
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Star Wheel Assy
Replace
---
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Remove
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EJ Roller
Replace
---
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Remove
---
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Frame Base Assy
Replace
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Remove
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Support Plate Left
/ Right
Replace
---
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Remove
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CR Guide Frame
Replace
---
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Printout pattern
---
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How to judge
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Adjustment program
O
O
Tool
---
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Adjustment
Table 3-2. Required Adjustment List (Adjustment using the Adjustment Program)
3
4
5
6
7
8
PE
Ink
Mainte-
PF/EJ
Ink
Head ID
Detector
nance
Adjustm‑
charge
input
confirma-
counter
ent
tion
To confirm
To fill ink
To correct
Confirm the
To correct
the counter
throughout
characters-
PE sensor's
variations
value of
the ink path
tic variation
chattering
in paper
maintenance
to make all
of the
after
feed
box.
the nozzles
replaced
detecting
accuracy to
ready for
Printhead
the end of
achieve
printer.
by entering
the paper
higher print
its
falls within
quality.
Printhead
the
ID
specified
(Head ID).
period.
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O
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O
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O
O
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OK
NG
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NG
NG
OK
Examine
the printout
patterns and
enter the
value for
the pattern
with no
---
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---
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overlap and
gap
between the
two
rectangles.
O
O
O
O
O
O
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Adjustment using the Adjustment Program
9
10
11
12
13
First dot position /
Bi-d adjustment
PW adjustment
Rear ASF
Front ASF
PG1
PG2
PG3
To correct the paper
To correct print start timing in
detection positions and the
bidirectional printing through software
mounting positions of the
control.
PW Sensor by software
control.
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O
O
O
O
O
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O
O
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O
O
O
O
O
O
O
O
O
O
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O
O
O
O
O
-2 -1 0 1 2
-2
-2
OK
-1
-1
0
0
1
1
2
2
-2 -1 0 1 2
NG
-2
-1
0
1
NG
NG
2
PW adjustment
Examine the printout pattern s for each of
Examine the misaligned
the four models, and enter the value for
lines printed on top,
the pattern with no gap and overlap for
bottom, left, and right of
each mode.
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.
O
O
O
O
O
Ruler
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Required Adjustments
14
15
16
17
18
PE adjustment
PF/EJ
Head
Paper skew
deterior-
deterior-
angular
adjustm-
ation
adjustment
ent
Rear ASF
Front ASF
offset
To correct
To correct the paper
To align
To reset the
To reset the
tilt of the
detection positions and the
print start
counter or
counter
Printhead
mounting positions of the
position at
set it to its
according
caused at the
PE Sensor by software
0-digit side
maximum
to the
installation
control.
with that at
according
replaced
through
80-digit side
to the
parts.
software
in
replaced
control
bidirectional
parts.
band
printing,
timing of
firing ink
droplet is
adjusted
through
software
control.
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O
O
O
O
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O
O
O
O
O
O
---
O
O
O
O
O
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O
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O
O
O
O
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NG
OK NG
OK
NG
Enter the
Examine the
values of the
printout
most straight
pattern and
lines.
enter the
number of
the one with
the least gap
---
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and overlap
between the
two different
colored line.
O
O
O
O
O
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Revision D
19
20
21
22
23
PW
CR Motor
PF Motor
SCN Motor
ADF
PF band
heat
heat
heat
Motor heat
adjustm-
ation
protection
protection
protection
protection
ent
offset
control
control
control
control
To correct
To measure and correct the electrical variation of each motor
variations
and the power supply board.
in paper
(For Scanner motor and ADF motor, re-measurement
feed
preparation)
accuracy to
achieve
higher print
quality in
band
printing.
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O
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O
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O
O
O
O
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OK
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NG
NG
Examine
the printout
pattern an
enter the
value for
the pattern
with no
---
---
---
---
overlap and
gap
between the
two
rectangles.
O
O
O
O
O
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Confidential
24
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O
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56
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