Specifications

Chapter 3: Using the Control Panel
3-25
DRAM Module A
Description. The DRAM Module in Slot A is detected as having a hardware problem.
FAILURE: 810, 811, 812
DRAM MODULE A
Operation is halted. If the user knows how to install DRAM, the user may be able to remedy this
problem, otherwise, a service technician must be called to remedy the problem.
Detection. By the Operating System.
Printer Response.
1) Sound beeper 5 times.
2) Save the number of pages and the error code to the error log.
3) Turn off the fuser.
Service Action Required: Replace the SIMM. If that doesn't work, replace the controller to use
module A.
DRAM Module B
Description. The DRAM Module in Slot B is detected as having a hardware problem.
FAILURE: 815, 816, 817.
DRAM MODULE B
Operation is halted. If the user knows how to install DRAM, the user may be able to remedy this
problem, otherwise, a service technician must be called to remedy the problem.
Detection. By the Operating System.
Printer Response.
1) Sound beeper 5 times.
2) Save the number of pages and the error code to the error log.
3) Turn off the fuser.
Service Action Required.
Replace the SIMM. If that doesn't work, replace the controller to use module B.
Engine Controller PCB or Fuser
Description. A fault is detected with the engine controller board, such as the NVRAM, or the
fuser has failed or is disconnected.
FAILURE: 910
ENGINE CTRL PCB
Operation is halted. A service technician must be called to remedy the problem.
Detection. By the Operating System.
Printer Response.
1) Sound beeper 5 times.
2) Save the number of pages and the error code to the error log.
3) Turn off the fuser.
Service Action Required: Replace the controller or fuser.