IV-13
I-13
Faint print
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print o Print out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Print out test print out test print out test Print out test print oPrint out test print o
Possible cause
Step
Check
Result
Remedy
Printer not level
1
Is the printer placed
horizontally?
No
Place the printer on a flat
surface.
Drum unit
2
Does the problem happened
immediately after replacing the
drum unit with a new one?
Yes
Remove and carefully shake
the drum unit horizontally.
Scanner window
dirty
3
Is the window of the laser
scanner dirty?
Yes
Clean the scanner window with
a dry tissue.
Scanner unit
failure
4
Is the problem solved by
replacing the scanner unit?
Yes
Replace the scanner unit.
I-14
White spots
Possible cause
Step
Check
Result
Remedy
Toner cartridge
1
Is the toner in the toner
cartridge almost empty?
Yes
Shake the drum unit
horizontally. Replace the toner
cartridge with a new one.
No
Replace the drum unit.
Print paper
2
Is the problem solved after
change to specified freshly
unpacked paper?
Yes
Recommend the user to
change the paper.
(Damp (wet) paper might be
used.)
Environment
3
Check if the problem still
appears after the printer has
warmed up.
Yes
Replace the drum unit.
Advise the user of the
specified print environment.
Summary of Contents for HL-1020
Page 1: ......
Page 36: ...II 20 Fig 2 22 shows the CDCC interface circuit Fig 2 22 HL 1050 ...
Page 37: ...II 21 1 3 10 Engine I O Fig 2 23 shows the engine interface circuit Fig 2 23 HL 820 1020 1040 ...
Page 38: ...II 22 Fig 2 24 shows the engine interface circuit Fig 2 24 HL 1050 ...
Page 67: ...III 18 4 PACKING Fig 3 32 Documents Accessory carton Pad Pad Printer Bag Carton ...
Page 101: ...CODE UK4007000 B48K312CIR NAME V 5 Appendix 5 Main PCB Circuit Diagram HL 820 1020 1040 1 2 ...
Page 102: ...Appendix 6 Main PCB Circuit Diagram HL 820 1020 1040 2 2 CODE UK4007000 B48K312CIR NAME A 6 ...
Page 103: ...Appendix 7 Main PCB Circuit Diagram HL 1050 1 5 CODE UK4041000 B512001CIR NAME A 7 ...
Page 104: ...Appendix 8 Main PCB Circuit Diagram HL 1050 2 5 CODE UK4041000 B512001CIR NAME A 8 ...
Page 105: ...Appendix 9 Main PCB Circuit Diagram HL 1050 3 5 CODE UK4041000 B512001CIR NAME A 9 ...
Page 106: ...Appendix 10 Main PCB Circuit Diagram HL 1050 4 5 CODE UK4041000 B512001CIR NAME A 10 ...
Page 107: ...Appendix 11 Main PCB Circuit Diagram HL 1050 5 5 CODE UK4041000 B512001CIR NAME A 11 ...
Page 108: ...Appendix 12 Panel Sensor PCB Circuit Diagram CODE UK4010000 B48K303CIR NAME A 12 ...
Page 117: ...Apr 98 84U005BE0 PARTS REFERENCE LIST MODEL HL 820 1020 1040 1050 R LASER PRINTER ...
Page 122: ...1 1 1 MODEL HL 1050 84U 861 101 103 104 84U 862 106 6 4 5 MAIN PCB HL 1050 OTHERS ISRAEL 3 ...
Page 135: ...CONTENTS LOWER TRAY UNIT List 1 Drawing 2 ...
Page 137: ... 2 GENERAL DRAWING MODEL LT 24CL 54S X06 4 3 1 6 5 2 7 ...
Page 214: ......
Page 296: ...USER S GUIDE A 12 HP LaserJet IIP 6P EPSON FX 850 IBM Propritner XL EPSON FX 850 ...