Epson Stylus Color 660 Service Manual page 29

EPSON Stylus Color 660
5.2.1.7 Head Voltage ID Input
Head voltage value adjustment function enables you to write printhead
ID. This operation is considered the most important to maintain proper
printhead operation. If an ID is not written correctly, it results in white or
color lines and also gives bad influence on dot weight. This adjustment
is required in the following cases.
When exchanging the main board
n
When exchanging the printhead
n
When exchanging the printer mechanism
n
Before or after performing this operation, refer to the
Table 5-2 on page 16 and perform any appropriate
adjustments or operations.
1. When replacing any of the parts above, make a note of VH voltage
ID appointed in advance. You can find the VH voltage ID on the
following position:
Printhead:
n
Printer mechanism:
n
2. On Stylus COLOR 660 SERVICE PROGRAM, select Adjustment
menu (Figure 5-16).
3. Select "Head voltage ID input".
Chapter 5 Adjustment
On the side face of the printhead.
On the label of the packing box of the
printer mechanism.
4. The following screen appears.
Figure 5-18. Head Voltage ID Input (1)
Revision A
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