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 1-1Sequence of operation

Period

Duration

Description

 

 

 

 

Waiting

From the time the power is turned on,

●

Heats the fuser sleeve

 

the door is closed, or when the product

●

Pressurizes the fuser pressure roller

 

exits Sleep mode until the product is

 

ready for printing

●

Detects the print 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 product is in the READY state.

 

the last rotation until the formatter

●

The product enters Sleep mode

 

receives a print command or until the

 

product is turned off

 

after the specified length of time.

 

 

●

The product calibrates if it is time

 

 

 

for an automatic calibration.

 

 

 

 

Initial rotation

From the time the formatter receives a

●

Activates the high-voltage power

 

print command until the paper enters the

 

supply

 

paper path

●

Prepares each laser/scanner unit

 

 

 

 

●

Warms the fuser to the correct

 

 

 

temperature

 

 

 

 

Printing

From the time the first sheet of paper

●

Forms the image on the

 

enters the paper path until the last sheet

 

photosensitive drums

 

has passed through the fuser

●

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

●

Moves the last printed sheet into

 

exits the fuser until the motors stop

 

the output bin

 

rotating

●

Stops each laser/scanner unit

 

 

 

 

●

Discharges the bias from the high-

 

 

 

voltage power supply

 

 

 

 

ENWW

Basic operation

3