Lexmark E210 - Optra B/W Laser Printer Service Manual page 32

4510-001
The LED blinks once then all other LEDs blink
(Low Heat Error)
This message occurs when the printer is warming up. If the
temperature is not correct at a certain threshold, this message is
posted.
Step
1 Check the fuser lamp. Is
the correct voltage lamp
installed?
2 Replace the LVPS. Did
this resolve the problem?
3 Did fuser replacement
resolve the problem?
4 Did engine board
replacement resolve the
problem?
2-12
Service Manual
Yes No
Go to step 2. Replace with proper
voltage lamp. Go to
step 2 if problem
persists.
Problem Replace the fuser. Go
Resolved. to step 3.
Problem Replace the engine
Resolved. board. Go to step 4.
Problem Replace the controller
resolved. board.