Table 1-1 Sequence of operation (continued)
Period Duration Purpose Remarks
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
LSTR (Last rotation) From the end of the PRINT
period until the fuser motor
stops rotating
Moves the last printed sheet
out of the product
The product enters the INTR
period as soon as the formatter
sends another print command
DC controller
Figure 1-3 DC controller
LED
Static charge
eliminator
Fuser
Transfer roller
Cartridge
High-voltage
power supply
DC controller
Low-voltage
power supply
AC
input
Motor
Fan
Solenoid
Photointerrupter
Switch
Duplex unit
Laser scanner ass’y
Control panel
Input accessory
Sensor
Formatter
Table 1-2 DC controller components
Component type Abbreviation Component name
Motor M1 Drum motor
M2 Fuser motor
M3 Scanner motor
4 Chapter 1 Theory of operation ENWW
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