Item Description Item Description
6 Primary transfer pad 13 Pressure roller
7 Intermediate transfer belt (ITB)
Sequence of operation
Table 1-1 Sequence of operation
Period Duration Purpose Remarks
WAIT From the time the power is
turned on or the door is closed
until the drum-phase
adjustment is complete
Clears the potential from the
drum surface, adjusts the drum
phase, and cleans the ETB
Detects the toner level,
cartridge presence, and
environment; completes any
required calibration (color
registration control and image
stability)
STBY (Standby period) From end of the WAIT or LSTR
period until either the print
command is received from the
formatter or the power is
turned off
Maintains the product in
readiness for a print command
The product enters sleep mode
when the formatter sends a
sleep command, and performs
color registration and the
image stability control when
the formatter sends those
commands
INTR (Initial rotation) From the time the print
command is received until the
media is picked up
Prepares the photosensitive
drum for printing
PRINT From the end of INTR period
until the fuser paper sensor
detects the trailing edge of
paper
Forms the images on the
photosensitive drum and
transfers the toner image to
the print media
Performs image stabilization at
a specified print interval or at
specified times
LSTR (Last rotation) From the end of the PRINT
period until the delivery motor
stops rotating
Moves the printed sheet out of
the product
The product enters the INTR
period as soon as the formatter
sends another print command
ENWW Basic operation 3