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IV-16
I-16
Black bank
Possible cause
Step
Check
Result
Remedy
Drum unit
1
Is the wire cleaner positioned
at its home position?
No
Return the wire cleaner to its
home position.
Yes
Replace the drum unit.
I-17
Gray background
Possible cause
Step
Check
Result
Remedy
Density dial
1
Is the problem corrected by
adjusting the density dial?
Yes
Adjust the dial to the most
suitable position.
Print paper
2
Does the paper being used
meet the paper specification
(weight, etc.).
No
Recommend to change the
paper to a specified type of the
paper.
Yes
Recommend to change the
paper to a fresh pack paper.
Drum unit
3
Is the problem solved after
replacing the drum unit?
Yes
Replace the H.V. power
supply.
Replace the drum unit.
Note:
The following cases raise the possibility of this problem.
1.
The drum unit is at the end of its life.
2.
There is dust or paper powder.
3.
A large number of paper whose width is narrower than A4 is printed.
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Содержание HL-1070
Страница 1: ...Download Free Service Manual and Resetter Printer at http printer1 blogspot com ...
Страница 20: ...II 4 Fig 2 4 Download Free Service Manual and Resetter Printer at http printer1 blogspot com ...
Страница 29: ...II 13 Fig 2 14 Download Free Service Manual and Resetter Printer at http printer1 blogspot com ...
Страница 96: ...CODE UK3958 000 B48K302 1CIR NAME A 3 Appendix 3 Main PCB Circuit Diagram 1 5 ...
Страница 97: ...CODE UK3958 000 B48K302 1CIR NAME A 4 Appendix 4 Main PCB Circuit Diagram 2 5 ...
Страница 98: ...CODE UK3958 000 B48K302 1CIR NAME A 5 Appendix 5 Main PCB Circuit Diagram 3 5 ...
Страница 99: ...CODE UK3958 000 B48K302 1CIR NAME A 6 Appendix 6 Main PCB Circuit Diagram 4 5 ...
Страница 100: ...Appendix 7 Main PCB Circuit Diagram 5 5 CODE UK3958 000 B48K302 1CIR NAME A 7 ...
Страница 101: ...Appendix 8 Driver PCB Circuit Diagram CODE UK3634000 B48K280CIR NAME A 8 ...
Страница 102: ...Appendix 9 Switch Panel Solenoid Bin Relay PCB Circuit Diagram CODE UK3635000 281 282 283 CIR NAME A 9 ...
Страница 106: ...Appendix 13 SR PCB Circuit Diagram CODE UK3653000 B48K284CIR NAME A 13 ...
Страница 107: ...Apr 98 54U011BE0 PARTS REFERENCE LIST MODEL HL 1070 R LASER PRINTER ...
Страница 120: ...1 3 2 1 MODEL HL 1070 54U S03 151 8 DRIVER PCB MODEL HL 1070 54U S03 200 201 9 POWER SUPPLY PCB 11 ...
Страница 241: ...APPENDIX A 11 HP LaserJet 6P EPSON FX 850 IBM Proprinter XL EPSON FX 850 PC 850 ...