II-11
1.3.12 Scanner Motor Drive Circuit
The
scanner motor
is controlled by unipolar constant current control. The combination of
the current flow and the phase excitation method is changed by the scanner motor
speed.
Fig. 2-14
1.3.13 CIS Drive Circuit
The current to the CIS LED is controlled by PWM. The analog signal from the CIS is
input into the LC82103.
Fig. 2-15
1.4
Panel Sensor PCB
The following parts are on the printer
panel sensor PCB
.
• Control panel ......1 switch, 4 lamps
• Connector ...........low-voltage, high-voltage, solenoid, main motor, toner sensor, laser,
polygon motor, connector for main PCB
• Registration sensor
1.5
Scanner Sensor PCB / Scanner Panel PCB
The following parts are on the
scanner sensor PCB
and
scanner panel PCB
.
• Control panel ......4 keys, 5 lamps, 1 seven-segment LED
• Document front sensor
• Document rear sensor
Содержание HL-P2000
Страница 1: ......
Страница 27: ...II 8 1 3 8 Engine I O Fig 2 10 shows the engine interface circuit Fig 2 10 ...
Страница 69: ...III 28 4 PACKING Fig 3 48 Documents Accessory carton Pad Pad Printer Bag Carton Drum Unit ...
Страница 92: ...IV 23 4 4 Location of Feed Roller Shaft and Grounding Contacts Fig 4 7 Feed roller shaft For paper feed roller ...
Страница 115: ...Appendix 5 Main PCB Circuitry Diagram 1 3 CODE UK3981000 B512018 CIR 1 3 NAME A 6 ...
Страница 116: ...Appendix 6 Main PCB Circuitry Diagram 2 3 CODE UK3981000 B512018 CIR 2 3 NAME A 7 ...
Страница 117: ...Appendix 7 Main PCB Circuitry Diagram 3 3 CODE UK3981000 B512018 CIR 3 3 NAME A 8 ...
Страница 118: ...Appendix 8 Panel Sensor PCB Circuit Diagram CODE UK4010000 B48K303CIR NAME A 9 ...
Страница 119: ...Appendix 9 Scanner Panel PCB Circuit Diagram CODE UK3982000 B512019 CIR NAME A 10 ...
Страница 120: ...Appendix 10 Scanner Sensor PCB Circuit Diagram A 11 B512020 CIR CODE UK3983000 NAME ...
Страница 170: ......
Страница 249: ...APPENDIX A 9 HP LaserJet IIP EPSON FX 850 IBM Propritner XL EPSON FX 850 ...
Страница 260: ...Aug 98 84U007BE0 PARTS REFERENCE LIST MODEL MFC P2000 HL P2000 R LASER PRINTER ...