All Leds Blinking (Fuser Error) At Power Up - Lexmark E210 - Optra B/W Laser Printer Service Manual

4510-001

All LEDs blinking (Fuser Error) at power up

All LEDs blink when
Step attempting at power
up
1 Check the thermostat
for continuity. Is there
continuity?
2 Check the lamp for
continuity. Is there
continuity?
3 Check the thermistor
for wear. Is the
thermistor worn?
4 Check for 110 V ac
across the 2 pins of
connector CN502 on
the LVPS. Is 110 V ac
present?
5 Check the fuser gears
for wear or other
damage. Is the gear
damaged?
The LED blinks once then all other LEDs blink
(Over Heat Error)
This message is displayed when the printer detects the fuser is
hotter than it should be via feedback through the fuser thermistor.
Step
1 Replace the fuser. Did
this resolve the problem?
2 Did LVPS replacement
resolve the problem?
Yes
Go to step 2.
Go to step 3.
Replace the fuser.
Go to step 5.
Replace the fuser.
Yes
Problem
Resolved.
Problem
Resolved.
No
Replace the
thermostat.
Replace the lamp.
Go to step 4.
Replace LVPS.
Replace the main
board.
No
Replace the LVPS. Go
to step 2.
Replace the engine
board.
Diagnostic Aids
2-11