Sequence of operation
The DC controller in the engine-control system controls the operational sequences of the product. The table
below describes durations and operations for each period of a print operation from when the product is
turned on until the motor stops rotating.
Normal sequence of operation
Table 1-1 Sequence of operation
Name Timing Purpose
WAIT From the time the power switch is turned on, the door is
closed or the product exits Sleep mode until the product
gets ready for a print operation.
Brings the product to ready state. The product
performs the following during the operations:
●
Detects the print cartridge
●
Heats the fuser film in the fuser
●
Rotates, and the stops, the main motor
STBY (standby) From the end of the WAIT or LSTR period until either a
print command is sent or the power switch is turned off.
Maintains the product in printable condition. The
product performs the following during the operation:
●
Enters Auto-Off mode if Auto-Off command is
received
INTR (initial
rotation)
From the time a print command is received until the
paper is picked up.
The product performs the following during the
operations:
●
Drives the main motor
●
Activates the high-voltage power supply
●
Activates the laser/scanner
●
Warms the fuser heater
PRINT From the end of the INTR period until the last sheet
completes the fuser operation.
Forms the image on the photosensitive drum based on
the VIDEO signals from the formatter. Transfers and
fuses the toner image to the paper.
LSTR (last
rotation)
From the end of the PRINT period until the main motor
stops rotating.
Moves the last printed sheet out of the product. The
product performs the following during the operations:
●
Stops the main motor
●
Deactivates the high-voltage power supply
●
Deactivates the laser/scanner
●
Deactivates the fuser heater
The product enters the INTR period as the LSTR period
is completed, if the formatter sends another print
command.
ENWW Basic operation 3
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