Lexmark Optra C710 manual Service Fuser Error, Service Printhead, This condition

Service messages (continued)

Message	Action
920-929 Service Fuser Error	Indicates the fuser is not working properly. If Alarm Control is turned on, the alarm
	is sounded if this error occurs. If the service number is 925 through 929, the
	normal life of your fuser has been exhausted and you must replace it.
930-935 Service Printhead	Indicates the fuser is not working properly. If Alarm Control is turned on, the alarm
Error	is sounded if this error occurs. A service technician is required to correct this
	condition.
939 Service RIP-Engine Comm.	Indicates the printer engine has not received the proper input during a specified
	time period. If Alarm Control is turned on, the alarm is sounded if this error occurs.
	A service technician is required to correct this condition.
941 Service Code CRC	Indicates the ROM Code has failed the CRC check. A service technician is
	required to correct this condition.
941 Service Font CRC	Indicates the Font ROM has failed the CRC check. A service technician is required
	to correct this condition.
943 Service RIP Font Version	Indicates the RIP code and Font ROM are incompatible. A service technician is
	required to correct this condition.
944-946 Service System Board	Indicates a failure on the printer system board. A service technician is required to
	correct this condition.
948 Service Engine Card	Indicates a problem has occurred on the engine card. If Alarm Control is turned
	on, the alarm is sounded if this error occurs. A service technician is required to
	correct this condition.
953-954 Service NVRAM	Indicates the NVRAM on the engine card has failed. If Alarm Control is turned on,
Failure	the alarm is sounded if this error occurs. A service technician is required to correct
	this condition.
955 Service Code/Font CRC	Indicates the Code or Font ROM failed the CRC check. A service technician is
	required to correct this condition.
956-959 Service System Board	Indicates the system board has failed. A service technician is required to correct
	this condition.
960-963 Service RAM Memory	Indicates a memory error has occurred and one or more memory cards need to be
Error	replaced.
	• 961 the memory card in slot 1 is bad.
	• 962 the memory card in slot 2 is bad.
	• 963 the memory card in slot 3 is bad.
	Removing or replacing the bad memory card normally fixes this error. Refer to
	your Setup Guide for information on removing and installing memory.
964-965 Service Emulation	Indicates an emulation error occurred during an emulation download. If Alarm
Error	Control is turned on, the alarm is sounded if this error occurs. A service technician
	is required to correct this condition.

Chapter 8: Understanding printer messages 159