Epson Stylus C58 Service Manual page 71

Epson Stylus C58/C59/ME 2/C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/S21
Function Item
Head angular adjustment
Bi-D adjustment
First dot adjustment
PF Band adjustment
CR heat protection control
Function Item
Head Cleaning
Ink charge
Waste ink pad counter read out/
Initialization
ADJUSTMENT
Table 5-1. Adjustment Items
Purpose
Adjust the vertical/horizontal tilt that occur
when installing the Head, by the software.
This adjustment is made to correct the print
timing in the go and return paths in bi-
directional printing.
Correct the print timing by the software to
make the start printing position of the main
scan direction to the value you wish.
This adjustment is made to correct the
variations of Mechanism, or the paper feeding
accuracy.
Assuming production variation of the CR
Motor and the PS Board, operate this to use the
motor capacity to the maximum when the CR
Motor generates heat.
Table 5-2. Maintenance Items
Purpose
This function is used to execute Cleaning
efficiently when ink is not delivered from the
Head properly, e.g. dot missing.
When replacing the Head, this function is used
to fill ink in the flow path of the Head in the
ASP to make all nozzles printable and stabilize
the ink in the Printhead.
Initialize the Waste ink pad counter for
replaced parts after maintenance error
occurred. Also, when counter full is close, pad
exchange/counter initialization may be
executed to prevent re-fixing.
Adjustment Items and Overview
Method Outline
Use the adjustment program to print the adjustment pattern and
adjust to meet the standard.
Use the adjustment program to print out the adjustment pattern,
and enter the adjustment value of the printed pattern with no
black/white streaks in the block.
Adjustment items are, each dot sizes (ECO/VSD1/VSD2/
VSD3) x Colors (Black/Color), total of 8 types.
Use the adjustment program to print the adjustment pattern and
enter the adjustment value of printed position 5mm from the left
edge.
Use the adjustment program to print out the adjustment pattern,
evaluate the pattern based on the criteria, and register the
appropriate adjustment value to the printer.
Select the replaced parts in the adjustment program, then
operate this adjustment to automatically write the appropriate
adjustment value.
Method Outline
Use the adjustment program to execute Cleaning, then execute
nozzle check printing.
Use the adjustment program to execute ink charge, then
execute nozzle check printing.
After exchanging the Waste ink pad, initialize the counter by
the adjustment program.
Revision E
Tool Used Media
• Adjustment A4
Program (Plain paper)
• Adjustment
Program
A4
(Plain paper)
• Adjustment
A4
Program
(Glossy paper)
• Rule
• Adjustment
A4
Program
(Plain paper)
• Adjustment
Program
--
Tool Used Media
• Adjustment
A4 / Letter
Program
(Plain Paper)
• Adjustment
Program A4 / Letter
(Plain Paper)
• Adjustment
Program
--
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