Epson STYLUS PRO 4910 - NVRAM Backup OK; NVRAM Backup NG

Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
DISASSEMBLY & ASSEMBLY Disassembly and Assembly Procedure 154
Confidential
A D J U S T M E N T
R E Q U I R E D
Be sure to refer to Chapter 4 “Adjustment” (see p277) and perform
specified adjustments after replacing the Main Board.
<Adjustment items>
 NVRAM Backup OK
1. NVRAM Backup
2. Firmware Install
3. NVRAM Registry
4. RTC & USB ID Check & Adjustment
5. MAC Address Check & Input
 NVRAM Backup NG
1. Initial Ink Charge Flag
2. Rear AD Adjustment
3. RTC & USB ID Check & Adjustment
4. Serial Number Check & Input
5. Head ID Check & Input
6. Firmware Install
7. Motor Measurement Adjustment
8. Suction Check & Adjustment
9. Nozzle Check
10. AID Function Check
11. Ink Mark Sensor Check & Adjustment
12. Media Feed Correction Check & Adjustment
13. Media Eject Correction Check & Adjustment
14. PW + T&B&S Check & Adjustment
15. Auto Bi-D Adjustment
16. Cut Position Check & Adjustment
17. MAC Address Check & Input
18. Colorimetric Calibration Adjustment