中关村在线【hp 6l激光打印机维修手册】-激光打印机论坛-zol中关村在线（[HP] - 6L laser printer maintenance manual laser printer -zol Zhongguancun online forum）

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Snow child

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Data > > view all posts to send Short Message friendsJust look at the big landlord building lord published in the2005-12-07 12:04:04 to share

HP 6L laser printer maintenance manual

Fault phenomenon one: often jam when printing.

Analysis and maintenance: "jam" phenomenon is the most commonfaults of HP 6L laser. HP

6L laser printer jam usually belongs to mechanical failure,most of which are in the feed and exit channel (fixing part) .The feed part of cardboard, mostly due to rubbing the wheel toodirty (or mechanical wear caused by) . Therefore, after a periodof time, the laser printer needs to clean the paper wheelregularly. It is usually cleaned with a soft wet cloth forseveral times.

The rule is card printing paper should be careful, try not totear the paper. HP

The 6L printer has two fine tuning switches, one for detecting

paper and the other for detecting paper feed. Clean up thepieces after the two micro switch reset, otherwise it will notwork. Machine wear is necessary to replace the paper wheel, inthe paper part of the cardboard, mostly due to insufficientpaper or paper quality to the poor. 6L laser printer shouldgenerally be used more than 60 grams of adhesive tape or copyingpaper. This kind of paper in cleaning up the situation, one isto pay attention to high temperature, to prevent scalding; thetwo is to pay attention on the fixing part, prevent scratch onthe fixing tube and fixing wheel. Cardboard, usually best toturn off the machine, open the fixing part, and then remove thepaper jam. After cleaning, we should also pay attention to thefine tuning switch at the end of the paper, which shouldbe resetand flexible.

Fault phenomenon two: poor print quality.

Analysis and maintenance: the more general fault in the tonercartridge and photoelectric part. The toner will run out, theprinting quality will decline, will appear a white print on thesurface, the problem was first discovered, with compact anduniform shake a few times, the toner distribution, can print40 ~ 80 pages. Another method is to change new cartridges, anew cartridge is relatively simple, but the high price of 300yuan ingeneral, so there are a lot of userswith usedcartridgesreperfusion powder, such a short general 20 yuan to 60 yuan,it is worth a try. But filling powder is both troublesome anddirty. Here is a simple way: there are two positions on a powdercompact, is to put new powder, a waste powder is installed, openthe machine from the front, remove the cartridge,

In the box above is the new warehouse located below the powder,toner is the waste powder bin. In the new powder storehouse andthe waste powder bin on the opening of a diameter of about 1cm in the hole, put the waste powder bin powder from the holeout tape block the hole, then bought new powder from the holeinto the new powder bin, Bahrain after tape sealing well, thisneed not remove powder cover, without destroying the originalstructure and sealing performance, simple, good effect.If you do not belong to the cartridge, it should consider thephotoelectric part. We must first know the basic principle oflaser printer. It is mainly composed of laser, quasi lens, multiprism, F- Q lens, electronic photography and other parts. Theelectronic photography part includes photosensitive drum,charging corona, transfer corona, light elimination and othermain components. These parts to do regular maintenance cleaning,to prevent pollution, who can see the toner should be removed.6L transfer corona, a layer of sponge outside the bread, to keepclean, dirty, thenwipe witha soft wet cloth. The least noticedhere is the laser to the F-Q lens, because this part is wrappedin a black box, not easy to see, dirty, often do not know. 6Lthis part in the top cover, open the front cover, the top coverhas a square box, there is a mirror inside, long time, mirrorwill dirty, cause handwriting blurred, and even don't outputtext, need to wipe clean in time.

Fault phenomenon three: vertical white stripes appear on theprint paper.

Analysis and maintenance: according to the phenomenon of fault,the fault can be analyzed from the following 3 aspects:

1. when the mirrors are mounted on the top of the photosensitivedrum, such as dust, paper scraps and so on, the laser will beabsorbed by the dirt on the mirror surface, but can not reachthe photosensitive drum, thus forming white stripes on theprinting paper.

2. secondary line corona on the print channel below, can absorbdust, litter and other debris, corona components due tolong-term use or poor working environment and dirty or blockedto prevent toner from the photoreceptor drum to the printer,will form the fault.

3. toner cartridge failure, usually resulting in a large areaand vertical handwriting pale white stripes. Remove tonercartridges and gently shake, so that the toner distribution inthe box, if still little improvement, you should considerchanging toner cartridges.

Fault phenomenon four: dirt repeated printing paper.

Analysis and maintenance: as you know, when a piece of paperpasses through a printer, the 12 rolls of the machine turnaround, and the maximum photosensitive drum turns around 2~3times, and the feeding roller can turn around 10 times. Whenthe interval appears on paper dirt, may be caused by dirty ordamaged the roll. Suppose that a roll is stained with dirt, suchas a close trace of the dirt, which may be formed by the smallhole roll; when the distance is far away, the larger rollershould be inspected. Measure the distance between the dirt, andthen calculate the diameter of the roller type caused by the

dirt:

Roll diameter = dirty track distance divided by 3. 1416For HP

6L series laser printer, photosensitive drum diameter is 3. 75inches (95mm) , development roller diameter is 2 inches (51mm) ,fixing roller diameter is 3 inches (76mm) . Found roller has aproblem, can be cleaned or replaced.

Analysis and maintenance of information on the common faultsof HP 6L laser printer search

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Snow child

The current champion experience 12050 points, 13500 pointsstill need to upgrade experience

The next level: how do the upgrade?

Posts: 3

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Data > > view all posts to send Short Message friendsJust look at the author of 1 published in the 2005-12-07

12:04:31 HP floor sofa

Fault analysis of laser printer maintenance 5L Sourcebook fromprinting proofs (1) around the developer carrier and stainedwith toner is a photosensitive drum or on paper by adsorption.

(2) mixing device caused by dysfunctional toner or developerin damp agglomerate. (3) mirror or lens pollution can becleaned.

Two

The cause of the longitudinal black strip: according to thephotosensitive drum, cleaning parts, development part, fixingpart of the order to find the cause of the fault. (1) the contactbetween the drum and other parts is scratched or the frictiondrum damages the surface of the drum due to the excessivepressure of the scraper. (2) the scraper blade is defective oredge powder too much. (3) uneven distribution of toner on thedeveloping roller, strip distribution or sundries under thescraper. 4) there is a strip of ink powder on the magnetic roller.

(5) the entrance of the fixer is blocked, and the partiallyfixed part after the transfer is rubbed against the fuser inletto damage the image. (6) heating roller surface stained withtoner and other dirt.

Three

Causes of longitudinal ious: (1) serious scratches caused byphotosensitive drum, resulting in ink can not be printed. (2)there is dirt on the charging electrode wire, causing thecorresponding part of the photosensitive drum not to be charged.

(3) the power supply voltage is low, resulting in unevencharging voltage, resulting in uneven width and unclear edges