Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
ADJUSTMENT Adjustment Items and Overview 206
Confidential
Adjustment Items
CR timing belt tension
inspection
This adjustment is made to avoid the idling of the CR motor (fatal
error) or breaking of the motor coil or the like due to an abnormal
heat.
For the inspection method, see "5.3.2 CR Timing Belt Tension
Inspection" (p.234).
• Tension gauge
•Tweezers
• (+) Phillips
screwdriver
PF timing belt tension
inspection
This adjustment is made to avoid the idling of the PF motor (fatal
error), breaking of the motor coil due to an abnormal heat, or lost of
paper feed accuracy that causes banding on the printout.
For the inspection method, see "5.3.3 PF Timing Belt Tension
Inspection" (p.235).
• Tension gauge
•Tweezers
• (+) Phillips
screwdriver
Touch Panel adjustment
(Artisan 810/835/837/
PX810FW/TX810FW/
PX820FWD/TX820FWD/
PX830FWD only)
This adjustment is made to adjust the relative positions between the
Touch Panel detection points and displaying positions on the
Control Panel.
For the adjustment method, see "5.3.4 Touch Panel Adjustment
(Artisan 810/835/837/PX810FW/TX810FW/PX820FWD/
TX820FWD/PX830FWD only)" (p.236).
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EEPROM Data copy
When the main board needs to be replaced, use this to copy
adjustment values stored on the old main board to the new board. If
this copy is completed successfully, all the other adjustments
required after replacing the main board are no longer be necessary.
Readout the EEPROM data from the main board before
removing it. Then replace the board with a new one, and load the
EEPROM data to the new board.
• Adjustment Program
Initial setting
This must be carried out after replacing the main board to apply
settings for the target market, etc. Perform MAC address Setting if
necessary.
Enter the product serial number of the printer using the
adjustment program, and write the initial setting information onto
the Main Board. For the procedure of MAC address setting, see
"5.2.6 MAC Address Setting" (p.217).
• Adjustment Program
PG offset value adjustment
To compensate individual variability of the mechanism, write the
PG offset values into EEPROM calculated from the result of PG
Adjustment.
For the adjustment method, see "5.2.7 PG Offset Value
Adjustment" (p.219).
• Adjustment Program
Memory card check
To check if the access to memory cards is correctly performed. Save some images in a CF card, and insert it into the slot to see if
it can be correctly read.
• CF card
• Some image files
Head ID input
This must be carried out after replacing the Printhead in order to
enter the new Printhead ID (Head ID) that reduces variation
between Printheads.
Enter the 33-digit head ID written on the QR code label on the
Printhead. (Read the QR code label from the top left to the
bottom right.)
The Characters that can be entered as head ID are as follows.
ABCDEFGHJKLMNPQRSTUVWXYZ0123456789%*+-$:
• Adjustment Program
Top margin adjustment
This corrects timing of printing in the paper feeding direction. A top margin adjustment pattern is printed. Examine the printout
and carry out the adjustment so that the distance between the
paper edges and the printed line falls within 3 +/- 1mm.
• Adjustment Program
•Ruler
First dot position adjustment
This corrects left margin of printout. The print start position in the
carriage moving direction is corrected by software.
A first dot adjustment pattern is printed. Examine the lines
printed near the left edge of the printout and enter the value for
the line that is exactly 5 mm away from the left edge.
• Adjustment Program
•Ruler
Table 5-1. Adjustment Items
Adjustment Item Purpose Method Outline Tool
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