User Guide

Sequence of operation
The DC controller PCA controls the operating sequence, as described in the following table.
NOTE: The terms fusing and fixing are synonymous.
Table 1-1 Sequence of operation
Period Duration Description
Waiting From the time the power is turned on,
the door is closed, or when the product
exits Sleep mode until the product is
ready for printing
●
Heats the fuser sleeve
●
Pressurizes the fuser pressure roller
●
Detects the toner cartridges
●
Detects the home position for the
primary transfer roller and the
developing unit
●
Cleans the secondary transfer roller
Standby From the end of the waiting sequence or
the last rotation until the formatter
receives a print command or until the
product is turned off
●
Is in the READY state
●
Enters Sleep mode after the
specified length of time
●
Calibrates if it is time for an
automatic calibration
Initial rotation From the time the formatter receives a
print command until the paper enters the
paper path
●
Activates the high-voltage power
supply
●
Prepares each laser/scanner unit
●
Warms the fuser to the correct
temperature
Printing From the time the first sheet of paper
enters the paper path until the last sheet
has passed through the fuser
●
Forms the image on the
photosensitive drums
●
Transfers the toner to the paper
●
Fuses the toner image onto the
paper
●
Performs calibration after a
specified number of pages
Last rotation From the time the last sheet of paper
exits the fuser until the motors stop
rotating
●
Moves the last printed sheet into
the output bin
●
Stops each laser/scanner unit
●
Discharges the bias from the high-
voltage power supply
ENWW
Basic operation
3