Lexmark 4026-0XX User Manual
4026-0XX
3-9
Fuser Operation
Fuser Control
The thermistor detects the hot roll temperature and sends a
corresponding analog signal to the engine board. The engine board
turns the lamp on or off depending on the analog signal from the
thermistor.
corresponding analog signal to the engine board. The engine board
turns the lamp on or off depending on the analog signal from the
thermistor.
If the thermistor detects a high temperature failure but the fuser lamp
does not turn off, the thermal fuse opens (thermostat on models
4026-06C and 06F) and the engine board turns the fuser lamp off.
does not turn off, the thermal fuse opens (thermostat on models
4026-06C and 06F) and the engine board turns the fuser lamp off.
Fuser Mode
Printer Action
Warm-Up Mode
When the printer power is turned on
the fuser lamp turns on until the hot
roll temperature reaches approxi-
mately 172 degrees centigrade.
the fuser lamp turns on until the hot
roll temperature reaches approxi-
mately 172 degrees centigrade.
Standby Mode
The hot roll temperature reaches
approximately 156 degrees centi-
grade. If this temperature is main-
tained for three minutes, the printer
switches to low temperature standby
mode and the hot roll is maintained
at 112 degrees centigrade.
approximately 156 degrees centi-
grade. If this temperature is main-
tained for three minutes, the printer
switches to low temperature standby
mode and the hot roll is maintained
at 112 degrees centigrade.
Print Cycle
The hot roll is maintained at 172
degrees centigrade if the engine
board receives a print command
from the controller board.
degrees centigrade if the engine
board receives a print command
from the controller board.
Note: The hot roll temperature is
slightly higher on models 06C and
06F during the print cycle.
slightly higher on models 06C and
06F during the print cycle.