IV-9
I-5
Dirt on the back of paper
Possible cause
Step
Check
Result
Remedy
Fixing unit
1
Is the pressure roller dirty?
Is any other area in the printer
dirty?
Yes
Clean the pressure roller.
(See the following note.)
Dirt in the drum
unit
2
Is the transfer roller dirty?
is the problem solved after the
drum unit replaced?
Yes
Replace the drum unit
No
Replace the H.V. power supply
PCB.
Note:
Cleaning of the pressure roller
(1) Set three or more sheets of paper in MP sheet feeder 1 (or 2).
2)
Open the top cover.
(3) Turn on the power switch while holding down the switch on the control
panel.
(4) Release the panel switch when the Drum lamp is on.
(5) Close the top cover.
(6) Hold down the panel switch until the Ready lamp is on, and then release
the switch.
(7) Print three patterns; grid, zip and solid black.
(8) Turn off the power switch with the top cover closed.
(9) Set paper in the manual slot with the solid black side up.
(10) Turn on the power switch while holding down the switch on the control
panel.
(11) Release the panel switch when the Drum lamp is on.
(12) Press the panel switch again and release it immediately.
(13) Print a page of test pattern while cleaning the pressure roller.
Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com
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 ...