Epson 7000 service manual Write D/A Value, ADJ Input Rank

EPSON Stylus Pro 7000 Revision B

WRITE D/A VALUE

During the C299MAIN board production process, the head drive circuit parameters are written to the USB EEPROM.

After service, these parameters must be transferred to the Flash-ROM.

This operation must be performed before sending a print job;

C A U T I O N

otherwise print quality will most likely suffer.

After entering B & C head ID’s, "Enter Key" appears on the LCD. If you do not replace the printheads, you can avoid wasting ink by pressing the Pause button instead of the Enter button to skip the initial-ink charge process.

5.Press the Enter button again to write the printhead ID value to the Main Board and begin the initial-ink charge in the heads

"x" = B or C, for B head or C head

1.Make sure “Write D/A Value” appears on the LCD and press Enter.

2.Press Enter again when “Press Enter to write” appears.

3.Turn off the printer when “Please turn off” appears.

ADJ INPUT RANK

This function allows you to enter the B head and C head ID’s.

1.	Make sure "Adj: Input Rank" appears on the LCD and press the Enter
	button.
2.	First enter six characters for the B head (K/C/M) ID. Press the Paper Feed +
	or Paper Feed - button to select the ID value.
3.	After correctly entering the B head ID, press the Enter button and enter

*00000-x-ID1: AAAAAA

0*0000-x-ID1: AAAAAA

00*000-x-ID1: AAAAAA

000*00-x-ID1: AAAAAA

0000*0-x-ID1: AAAAAA

00000*-x-SUM: AAAAAA

Press Paper Feed [+] or [-] to select the value.

When finished entering the C

head ID, press the [Enter] button.

Enter Key

[Enter]

the C head ID in the same way.

If an out-of-range error ("Error Rank Input") occurs at any time during this process, press the Enter button and re-enter the head ID.

4.After entering the head ID for both printheads, press the Enter button and "Enter Key" appears on the LCD.

[Enter]	Press the [Enter] button if an	Please Set Ink
	input error (below) occurs.
		Insert ink cartridges
	Error Rank Input	Cleaning

Figure 5-16. Head ID Input Process

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