Epson Stylus Pro 7400, Service Manual

Page: 338 / 428

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Adjustment Basic Adjustment 338
5.3.18 NVRAM Back Up and Write
Whenever the Main Board is replaced, parameters stored in the NVRAM on the
previous board should be backed up and written onto the new board using this menu.
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Read & Save Procedure
1. Enter into the Tiny mode.
Turn the printer ON while holding down the [Paper Source ], [Menu
], [Paper Feed ] and [Paper Feed ] .
2. Start up the Adjustment Program and select [NVRAM Back Up and Write].
3. Click the [Run] button to run the NVRAM Backup Utility.
4. Select the target printer from which the parameters are read in the [Printer
Name].
5. Click the [Read] button to start reading the parameters.
6. When the reading is completed, click the [Save] button and save the readout
parameters under a new file name.
7. Turn the printer OFF.
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Write Procedure
1. Remove the all Ink Cartridges.
2. Remove the Maintenance Tank.
3. Release the Paper Set Lever.
4. Enter into the Serviceman Mode.
Turn the printer ON while holding down the [Paper Source ], [Menu
], and [Paper Feed ] .
5. Start up the Adjustment Program and select [NVRAM Back Up and Write].
6. Click the [Run] button to run the NVRAM Backup Utility.
7. Select the target printer on which the parameters are written in the [Printer
Name].
8. Click the [Open] button to select and open the file which was saved in “Read
& Save Procedure” Step 6 .
9. Click the [Write] button to start writing the parameters.
10. When the writing is completed, exit out of the NVRAM Backup Utility.
Figure 5-60. [NVRAM Back Up and Write] Screen
C A U T I O N
When reading the parameters from the previous board, turn the
printer ON in Tiny mode. (Tiny mode: A special mode used only for
the parameter reading operation.)
C A U T I O N
When writing the parameters on the new board, turn the printer
ON in Service Man mode.