IV-17
I-15
Black spots
<Printing>
Possible cause
Step
Check
Result
Remedy
Drum unit
1
Are the spots at 94 mm
intervals?
The problem is not solved after
printing a few pages.
Yes
If toner remains stuck, wipe it
off gently with a cotton swab.
Replace the drum unit if the
photosensitive drum is
scratched or deteriorated
(exposed).
(Refer to the following note.)
Fixing unit
2
Are the spots at 63 mm
intervals?
The problem is not solved after
printing a few pages.
Yes
Check and clean the heat roller
with a cloth dampened with
alcohol.
Replace the fixing unit.
High-voltage
power supply
PCB
3
Is the problem solved after the
high-voltage power supply
PCB is replaced?
Yes
Replace the high-voltage
power supply PCB.
Note: Clean the drum unit as follows:
(1) Place the printing samples in front of the process unit, and find the exact
position of the image defect.
Fig. 4-2
(2) Turn the drum gear by hand while looking at the surface of the photosensitive
drum.
Fig. 4-3
Position of smudge on
the drum
94 mm interval
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 ...