The CPU sends the amperage control signal (PRANGE) to control the amperage of the fuser
sleeve.
Heater temperature control (HP Color LaserJet 5550 models)
The fixing target temperature for the printer is as follows:
During STBY: 170°C (338°F) when power is ON. This shifts to 155°C (311°F) later on.
During printing: Varies according to the print mode commanded by the formatter.
ENWW Engine control system 137
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