Star Micronics WinType 4000 Technical Manual page 17

17
17.28
Heat roll
Heat roll
While the lamp After the lamp
flashes flashes
six times the sixth time
152˚C
158˚C
Pressure roll
Separation
Eliminator
Toner
140˚C
150˚C
BCR
Charging
Cleaning blade
Figure 2-3 Printing Process (Seven Steps)
DC Bias
(+): 250V~2600V
(–): –700V
Transfer
BTR
Drum
( 30mm)
Toner
Scanning Exposure
Laser beam
AC Bias: 200µA
(f=160Hz)
DC Bias: –350V
– 13 –
THEORY OF OPERATION
(0.5µA~1.6µA)
Paper
Magnetic roll
CM blade
Developing
AC Bias: 1.6kVp-p
DC Bias: –210V
(f=2.4kHz)