Epson Stylus Pro 9900 - Head Related Adjustments; Head Rank ID

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT Head Related Adjustments 374
Confidential
5.4 Head Related Adjustments
5.4.1 Head Rank ID
This adjustment is to input/set the unique information of the Printhead as the head rank
so as to set the optimum drive voltage when replacing the Printhead. (Reading from/
writing to files are available)
PROCEDURE FOR WRITING
1. Write down the Head Rank ID (QR code) from the ID label attached on the
Printhead.
2. Assemble the printer.
3. Turn the printer ON.
4. Start the Service Program and select Head Rank ID from
ADJUSTMENTS
(INDIVIDUAL).
5. Enter the 45-digit ID into the edit boxes in the same way as indicated on the label.
Figure 5-23. Head Rank ID screen
C A U T I O N
 A 50-digit alphanumeric character is written on the ID Label.
Use the first 45 digits for the Head Rank ID. (the last five digits
are not used.)
 The Head Rank ID (label) differs between Epson Stylus Pro
7900/7910/9900/9910/WT7900/WT7910/9890/9908/7890/7908
and Epson Stylus Pro 7700/7710/7700M/7710M/9700/9710. For
the details, see "4.1.5 Differences of the parts/components
between models" (p.172).
12 345678
91011121314
15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34
35 36 37 38 39 40 41 42 43 44
45
NA NA NA NANA
QR cord