Epson L565 Service Manual page 60

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L565/L566 Series
Adjustment Type
Priority
1
EEPROM
Adjustment Item
Initialize Setting
data copy
To copy adjustment
To write sale-
values or the like
destination-specific
stored on the old
settings and the
Main Board to the
serial number into
new board when
the Main Board
Purpose
the Main Board
after replacing it.
needs to be
And also to set the
replaced.
MAC address as
necessary.
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Remove
Tray Front Assy
Replace
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Remove
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Star Wheel Holder Assy
Replace
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Remove
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Paper Guide Front Unit
Replace
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Remove
Printhead
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Replace
Remove
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Waste Ink Pad Assy
Replace
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Remove
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Retard Roller Assy
Replace
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Remove
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Scanner Unit
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Replace
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Printout pattern
How to judge
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Adjustment program
O
Tool
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Note "*1": Replacement of the Paper Guide Lower Porous Pad and Waste Ink Pad Assy is necessary.
Adjustment
2
3
4
5
Maintenance
Head ID input
Ink charge
counter
To correct
To fill ink inside
To reset the waste
characteristic
the new Printhead
ink counter after
variation of the
to make it ready
replacing the
replaced Printhead
for print after
Waste Ink Pad
by entering its
replacing the
Assy.
Printhead ID
Printhead.
(Head ID).
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Table 3-2. Required Adjustment List
Adjustment using the Adjustment Program
6
7
8
9
First dot position
TOP margin
Head angular
Bi-D adjustment
adjustment
adjustment
adjustment
To correct the
This corrects top
To correct tilt of
To correct print
print start position
margin of printout.
the Printhead
start timing in
in the CR Unit
caused at the
bidirectional
moving direction
installation
printing through
through software
through software
software control.
control.
control.
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-2
OK
-1
0
1
NG
- 2 -1 0 1 2
2
OK
NG
NG
Examine the
Examine the
Enter the values of
Examine the
misaligned lines
misaligned lines
the most straight
printout patterns
printed on the left
printed on top of
lines.
for each of the
side of the paper,
the paper, and
four modes, and
and enter the
enter the number
enter the value for
number beside the
beside the line that
the pattern with no
line that is exactly
is exactly 5 mm
gap and overlap
5 mm away from
away from the
for each mode.
the paper edge.
paper edge.
O
O
O
O
Ruler
Ruler
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Required Adjustments
10
11
12
13
PF/EJ
PF band
Paper skew
PF deterioration
adjustment
adjustment
adjustment
offset
To correct
To correct
To align print start
To reset the
variations in paper
variations in paper
position at 0-digit
counter according
feed accuracy to
feed accuracy to
side with that at
to the replaced
achieve higher
achieve higher
80-digit side in
parts.
print quality.
print quality in
bidirectional band
band printing.
printing, timing of
firing ink droplet
is adjusted
through software
control.
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OK
OK
NG
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NG
NG
OK NG
NG
NG
NG
OK
NG
Normal area
Examine the
Examine the
pattern
printout patterns
printout pattern
Examine the
and enter the value
and enter the
printout patterns
for the pattern
number of the one
and enter the
with no overlap
with the least gap
value for the
and gap between
and overlap
pattern with
the two rectangles.
between the two
fewest lines.
different colored
Bottom area
lines.
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pattern
Examine the
printout patterns
and enter the
value for the
pattern with no
overlap and gap
between the two
rectangles.
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O
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Revision A
14
15
16
CR motor heat
PF motor heat
Scanner motor
protection
protection
heat protection
control
control
control
To measure and
To measure and
To measure and
correct the
correct the
correct the
electrical variation
electrical variation
electrical variation
of the motor and
of the motor and
of the motor.
the power supply
the power supply
board.
board.
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See
" 3.2.2.1 CR
See
" 3.2.2.1 CR
See
" 3.2.3
Motor Heat
Motor Heat
Scanner Motor
Protection Control
Protection Control
Heat Protection
/ PF Motor Heat
/ PF Motor Heat
Control (p65)"
for
Protection Control
Protection Control
the details.
(p64)"
for the
(p64)"
for the
details.
details.
O
O
O
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60
Confidential

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