Specifications

Chapter 3: Using the Control Panel
3-21
System Error Modes
Overview
System error modes occur when an error is detected, but the printer attempts to continue. The
system may be crippled, but operation is attempted. A service call is necessary to remedy this
problem. The tables at the end of the chapter list the error codes.
Cache RAM
Description. A cache RAM failure is detected during POST.
ERROR: 620, 621, or 622
CACHE RAM
The cache controller is disabled and operation is attempted. The system will run extremely slow
with the cache controller disabled, but operation is possible until a service technician is available.
Detection. By the Operating System.
Printer Response.
1) Sound beeper 1 time.
2) Save the number of pages and the error code to the error log.
3) Disable the cache controller.
4) Normal operation.
Service Action Required: Replace the controller
EEPROM
Description. The operating system is unable to write successfully to the EEPROM (NVRAM)
area.
ERROR: 608
EEPROM
The operating system attempts to operate with the factory defaults.
Detection. Operating system unable to successfully write to EEPROM area.
Printer Response.
1) Sound beeper 1 time.
2) Save the number of pages and the error code to the error log.
3) Use factory defaults.
4) Normal operation.
Service Action Required: Replace the controller