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Sequence of operation
The DC controller PCA controls the operating sequence, as described in the following table.
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 in the fuser
●
Pressurizes the pressure roller in
the fuser
●
Detects the print cartridges
●
Moves the ITB and developing unit
to the home position
●
Cleans the ITB and 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
●
The product is in the READY state.
●
The product enters Sleep mode if
the sleep command is received
from the formatter.
●
The product 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
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 the high-voltage power
supply
●
Stops each laser/scanner unit
●
If another print command is
received, the product enters the
initial rotation period when the last
rotation is complete.
ENWW Basic operation 3