1-22
Confidential
4.
IMAGE DEFECT TROUBLESHOOTING
4.1
Image Defect Examples
Fig. 1-6
4.2
Diameter of Rollers
Image defects which appear periodically may be caused by failure of a roller. Specify the
cause referring to the diameter of the rollers or pitch which appears in the image as shown in
the table below.
No.
Parts name
Diameter
The pitch which
appears in the image
1
Develop roller
Ø
20.0 mm
40.6 mm
2
Exposure drum
Ø
24.0 mm
75.0 mm
3
Heat roller in the fuser unit
Ø
25.0 mm
78.5 mm
4
Pressure roller ASSY in the fuser unit
Ø
25.0 mm
78.5 mm
Downward fogging
of solid color
Содержание HL-2150N
Страница 56: ...2 2 Confidential 2 PERIODICAL PEPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 97: ...3 41 Confidential 8 19 FILTER ASSY 1 Remove the Filter ASSY from the Main body Fig 3 35 Filter ASSY ...
Страница 127: ...3 71 Confidential 8 30 RUBBER FOOT 1 Remove the two Rubber feet from the Main body Fig 3 66 Rubber foot ...
Страница 142: ...4 10 Confidential Serial label Drive sub ASSY Drive sub ASSY Serial label Serial label Laser unit 2 to 10mm ...
Страница 167: ...6 5 Confidential High voltage Power Supply PCB Circuit Diagram ...
Страница 168: ...6 6 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 169: ...6 7 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Страница 170: ...6 8 Confidential Wiring Diagram ...