Epson Stylus Pro 4900/Epson Stylus Pro 4910  Revision A
ADJUSTMENT  NV-RAM BACKUP UTILITY/NVRAM Viewer  303
Confidential
4.2.3  NVRAM Viewer Basic Operation
The following functions are provided.
1. Displays the Life Parts Operation History
2. Displays the history how the printer has been used (Utilization History)
3. Displays the Error History saved in the NVRAM
PROCEDURE
1. Click [Display Info] from “NVRAM Read” list of the NV-RAM BACKUP 
UTILITY. Another screen of the NVRAM Viewer will be displayed.
2. Select the tab of screen information to switch the screen.
3. Click [Save as CSV] to save the information shown in the selected tab as CSV 
file.
4. Click [Print] to print the information shown in the selected tab.
5. Click [Close] to close the screen.
DESCRIPTION
 Life Parts Operation History
Figure 4-3.  [Life Parts Operation History] Screen
1
Items
---
2
Current Value Displays the current life counter value of each part.
3
Limit Displays the life limit of the part if it has.
4
Situation
Displays the percentage of Current Value (2) out of Limit (3).
5
End of Life Estimation 
(YY/MM/DD)
---
6
Reset History 1 Displays the counter at replacement of the part last time
7
Reset History 2 Displays the counter at replacement of the part two times before.
8
Reset History 3
Displays the counter at 
replacement of
 the part three times before.
9
Serial Number
Display the serial number of the current printer which acquires 
the displayed NVRAM.
2 
3  4
1 
5  6  7  8
9