Epson L200 Service Manual - Page 34
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L200/L201/L100/L101
2.1 Required Adjustments
The table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed
or replaced, and check which adjustment(s) must be carried out.
Note: <Meaning of the marks in the table>
*
"O" indicates that the adjustment must be carried out. "O
" indicates that the adjustment is recommended. "---" indicates that the adjustment is not required. If you have
removed or replaced multiple parts, make sure to check the required adjustments for the all parts. And when multiple adjustments must be carried out, be sure to carry out
them in the order given in the "Priority" row.
Priority
Adjustment Item
EEPROM data copy
To copy adjustment values or the
like stored on the old Main Board
Purpose
to the new board when the Main
Board needs to be replaced.
Remove
Replace
(Read OK)
Main board
Replace
(Read NG)
Remove
Printhead
Replace
Remove
Power Supply Unit
Replace
Remove
LD Roller Assy
Replace
Remove
CR Motor
Replace
Remove
EJ Roller
Replace
Remove
Main Frame
Replace
Remove
Carriage Assy
Replace
Printout pattern
How to judge
Adjustment program
Tool
Adjustment
1
2
Initial setting
Maintenance counter reset
To apply settings for the target
To reset the waste ink counter /
market after replacing the Main
the ink tube counter after
Board.
replacing the Waste Ink Pad / the
Tube Assy.
---
---
---
O
---
---
O
---
O
(Replace the pad)
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
O
O
O
---
---
---
Table 2-1. Required Adjustment List
3
4
5
Ink charge
Head ID input
To fill ink inside the new
To correct characteristic
Printhead to make it ready for
variation of the replaced
print after replacing the
printhead by entering its
Printhead.
Printhead ID (Head ID).
---
---
---
---
---
O
---
---
O
O
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
O
O
---
---
Required Adjustments
When the EEPROM Data Copy cannot be made for the Main Board that needs to be replaced, the Waste
Ink Tray Assy must be replaced after replacing the Main Board with a new one.
After all required adjustments are completed, use the "Final check pattern print" function to print all
adjustment patterns for final check. If you find a problem with the printout patterns, carry out the
adjustment again.
When using a new Main Board for replacing the Printer Mechanism, the Initial setting must have been
made to the Main Board.
6
7
Top margin adjustment
Head angular adjustment
To correct top margin of
To correct tilt of the Printhead
printout.
caused at the installation by
software.
O
O
---
---
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OK
See
Figure
2-1.
NG
NG
Check if the top edge of the
Examine the printout patterns for
paper is within -3 to +3 steps
each of the four modes, and enter
from the standard line.
the value for the pattern with no
See
" 2.2 Details of Adjustments
gap and overlap for each mode.
(p36)"
for the details.
O
O
---
---
Revision A
8
9
Bi-D adjustment
PF band adjustment
To correct print start timing in bi-
To correct variations in paper
directional printing by software.
feed accuracy in order to achieve
higher print quality in band
printing.
O
O
---
---
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
OK
OK
NG
NG
NG
NG
Examine the printout patterns for
Examine the printout patterns
each of the four modes, and enter
and enter the value for the pattern
the value for the pattern with no
with no overlap and gap between
gap and overlap for each mode.
the two rectangles.
O
O
---
---
34
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