Printing experts: laser printers can easily cope with common toner cartridge failures
[Office Partner Information Center] At the beginning of the purchase, there will be many things that we need to learn. It is often because of some special operations that a toner cartridge will be scrapped. Today we bring you the installation and operation of the toner cartridge. Seven suggestions, including the handling of problems, I hope to help you install and maintain the newly purchased laser printers and toner cartridges. 
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1, the seal can not be pulled out: generally caused by poor assembly, the seal card or folded part of the toner.
2, leakage powder: In addition to sealing seal leakage caused by leakage before printing, multiple parts or parts of the powder box will cause leakage during use, magnetic roller seal felt defect, powder knife aging, magnetic roller seal blade deformation and If the sticking is not strong, the sealing sponge is damaged or aged, the cleaning blade is deformed and the sticking is not strong, etc., which will cause powder leakage. .
3, print out of the full white version or shallow and fuzzy
A, the seal is not opened
B. The powder box is shaken before the seal is sealed, and the powder is not smooth.
C. The laser does not shine on the drum, the toner visor is not open, and the drum cover is not open.
D. The drum is poorly grounded, and the electrical contacts on the conductive sheet or the toner cartridge connected to the machine are in poor contact.
4, prints all black is usually a problem with electricity:
A. Leaky charging roller or poor assembly.
B. The charging roller of the charging roller is deformed or has poor contact.
5, vertical black line: refers to any unwanted vertical lines from top to bottom, may be composed of thick or thin lines, continuous or intermittent. A thin, light vertical line is usually caused by a gap in the cleaning blade or a scratch on the drum. Thick and intermittent black lines, and the edges are not clear, often caused by the sealing blade wrinkles or the aging of the powder knife.
6. The vertical straight white line on the black plate: the deep wear line of the photosensitive drum, the impurity on the magnetic roller or the wear line of the magnetic roller coating.
7. Horizontal missing printing: refers to the horizontal intermittent printing on the printed product, the reason:
A, partial exposure of the drum coating;
B, drum drive gear defects, loose or tooth defects;
C, magnetic roller sleeve coating defects;
D, core break or positioning error;
E. The magnetic roller sheath is seriously worn or deformed;
F. The magnetic roller conductive spring has poor contact or jump.
8, horizontal black line: generally the problem of electricity, periodic horizontal black line is often caused by the charging roller coating defect plus the drum coating. Irregular horizontal thin black lines are often caused by the combination of powder bins or waste toner bins.
9, periodic handwriting blur: often caused by drum or charging roller coating contamination, watermarks, mime, fingerprints often cause this defect.
10. Grape bunch: It is a kind of defect that appears on the printed product like a coin. It is irregular and difficult to repeat. It is caused by bad drum grounding.
11, background scattering: refers to the text or lines around the unwanted small black spots, caused by magnetic roller coating or toner. Overheating of the drum (referred to as high sensitivity) can also cause this defect.
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12. Pattern background (Tiger spot): Appears on a white plate in black wavy or in black or half-tone on a white plate. Usually the magnetic roller cover coating defects or magnetic powder bonding on the magnetic roller sleeve due to long-time low-density printing.
13. Hollow word: refers to the lack of strokes on the text or image.
Reason: A. The toner itself is a problem. B, poor toner mix. C, magnetic roller coating problem. D. The surface of the print medium is too light and too hard. E, paper used the opposite side.
14. Irregular vertical black spots: A. The waste toner is scattered by the deformation of the sealing blade. B. The toner is caused by excessive accumulation of toner on the magnetic roller.
15, light color: related to a variety of factors: A, toner itself problem B, drum powder, magnetic roller coordination problem. C, powder knife aging D, magnetic roller wear E, drum to life F, high ambient humidity or medium moisture absorption.
16. Bottom ash: The bottom ash refers to the misty toner that appears in the blank area of ​​the printed product, and is also related to various factors: squeegee aging A, charging roller dirty B, toner problem C, drum fatigue, life D, environment Low temperature and dry E, poor printing medium F, charging roller wear.
17. Fixing is not strong: It means that the text or image on the printed product is sent back.
The reasons are: A. The softening point of the toner is higher than the fixing temperature of the machine B, the printing medium is too thick or the surface is too light.
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