Epson Stylus Pro 7400 - Head Rank ID

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Adjustment Basic Adjustment 314
5.3.2 Head Rank ID
Every printhead has its own Head Rank ID which compensates unit-to-unit variation.
Whenever the printhead is replaced, the Head Rank ID of the new printhead must be
written using this menu.
 Procedure for Writing
<Entering the ID manually>
1. Turn the printer ON.
2. Start up the Adjustment Program and select [Head Rank ID].
3. Write down the 40-digit Head Rank ID (QR code) indicated on the ID label
affixed to the new Printhead.
4. Enter the 40-digit ID into the edit boxes in the same way as indicated on the
label (eight digits per each edit box).
5. Click the [Write] button.
6. Click the [Finish] button.
 Procedure for Writing
<Entering the ID using a file (txt) obtained from the new printhead>
1. Turn the printer ON.
2. Start up the Adjustment Program and select [Head Rank ID].
3. Click the [File Open] and select a Head Rank ID Information file (txt).
4. Click the [Write] button.
5. Click the [Finish] button.
 Procedure for Storing the Head Rank ID Information as a File
1. Turn the printer ON.
2. Start up the Adjustment Program and select [Head Rank ID].
3. Write down the 40-digit Head Rank ID (QR code) indicated on the ID label
affixed to the new Printhead.
4. Enter the 40-digit ID into the edit boxes in the same way as indicated on the
label (eight digits per each edit box).
5. Click the [File Save] and save the ID information under a new file name.
6. Click the [Finish] button.
Figure 5-24. [Head Rank ID] Screen
Enter the ID code.
ID Label