Error Codes and Messages Troubleshooting Procedures
Phaser® 6120 Color Laser Printer Service Manual
4-21
2A: Faulty NVRAM Data
2B: NVRAM Access Failure
2C: NVRAM Install Failure
Relevant Electrical Parts
NVRAM PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location (Electrical
Component)
1 Unplug the power cord and plug it in,
then turn OFF and ON the Power
Switch.
--
2 Check NVRAM (PJ26) on PWB-A for
proper connection and correct as
necessary.
--
3 Change PWB-A. - -
Relevant Electrical Parts
NVRAM PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location (Electrical
Component)
1 Unplug the power cord and plug it in, then
turn OFF and ON the Power Switch.
--
2 Check NVRAM (PJ26) on PWB-A for proper
connection and correct as necessary.
--
3 Change PWB-A. - -
Relevant Electrical Parts
NVRAM PWB-A (Engine Control Board)
Step Action
WIRING DIAGRAM
Control Signal
Location (Electrical
Component)
1 Unplug the power cord and plug it in, then
turn OFF and ON the Power Switch.
--
2 Check NVRAM (PJ26) on PWB-A for
proper connection and correct as
necessary.
--
3 Change PWB-A. - -