CN101561658A

CN101561658A - Production formula of cartridge

Info

Publication number: CN101561658A
Application number: CNA2009100154441A
Authority: CN
Inventors: 王培福
Original assignee: SHANDONG FUMEI TECHNOLOGY Co Ltd
Current assignee: Fumei Technology Group Co.,Ltd.
Priority date: 2009-05-25
Filing date: 2009-05-25
Publication date: 2009-10-21
Anticipated expiration: 2029-05-25
Also published as: CN101561658B

Abstract

The invention relates to a production formula of cartridge. The ranges of the geometric parameters, physical property parameters, photoelectric parameter and the like of photoconductor drums, charge rollers, magnetic drums, ink powder, powder discharging knives and cleaning blades are specified; after assembly, properties and matching effects of the fittings are optimized, thereby prolonging over 30% of print life of the cartridge, reducing over 50% of waste powder, improving comprehensive print quality, saving print cost, reducing pollution and saving resources.

Description

A kind of factory formula of cartridge

Technical field

This patent relates to a kind of HP of being applicable to LASERJET 1160/1320, the CANON LBP3300 series printer coupling of photoconductor drum, magnetic roller, charging roller, powder delivery cutter, cleaning doctor and ink powder in the cartridge.

Background technology

At present, the factory formula of cartridge is multifarious, and also each is variant for quality, fails effectively to consider photoconductor drum, the magnetic roller, charging roller, powder delivery cutter, the relation of cooperatively interacting of cleaning doctor and ink powder, cause cartridge not enough below occurring in print procedure: the print quality discreteness is bigger, especially in the middle and later periods in cartridge life-span, because of depletion, function diminuendo phenomenon, print defect showed increased appear in each accessory often; The single page powder consumption is big, and the carbon dust transferring rate is low, and overall cost is too high.

Summary of the invention

In order to prolong the serviceable life of cartridge, reduce and print cost, economize on resources, a kind of cartridge provided by the invention is factory formula fixedly, photoconductor drum, magnetic roller, charging roller, one-component negative polarity magnetic ink powder, powder delivery cutter and cleaning doctor by the apolegamy particular characteristic, make each assembly property reach optimum matching, can overcome the deficiency that present factory formula brings.

The present invention realizes by the following accessory of assembly:

1, organic light guide drum: be made up of aluminium base, the anti-reflection layer of conduction, charge generation layer, charge generating layer, the coating thickness general thickness is controlled at 20 μ m～25 μ m, charge generating layer THICKNESS CONTROL in 1 μ m～2 μ m, coating unevenness＜1 μ m; Its coating surface resistance requirement＞170M Ω; Charging roller to its charging after, the electric charge output layer can be filled and be evenly distributed-initial potential (V0) of 650V high-pressure electrostatic lotus; Have suitable light sensitivity (E1/2), required exposure should be controlled 0.1 μ J/cm when its current potential was decayed to half and is 1/2V0 by initial potential (V0) ²～0.15 μ J/cm ²In the scope; The electric charge output layer is after accepting laser radiation, produce the exposure current potential (VL) of 70V～120V, form with initial potential-450V～-the above current potential difference of 500V, and and the magnetic roller between produce rational electric field difference, the ink powder that carries on the magnetic roller can be attracted in right amount; In the potential decay speed that reaches under the unglazed radiation situation under the surface potential situation of setting, promptly dark decay rate (DDR) is controlled at the scope of 10V～20V/S; The coating surface resistance value can guarantee that coating keeps state of insulation under the illumination that does not reach energy, makes photosensitive drums automatic exposure under the exposure need state, the fatigue phenomenon that overexposure causes can not occur not having; The photoconductor drum protective seam must be wear-resisting, at charging roller, and ink powder, medium, under the long-term circulation wearing and tearing of cleaning doctor, its rate of depreciation＜1 μ m/ photoconductor drum rotates 100,000 circles, to guarantee can not produce considerable influence to the photoelectric properties of drum.

2, magnetic roller: magnetic has good uniformity, and ink powder can evenly be adsorbed; The conductive coating roughness increases to roughness with 180 order white fused aluminas down by the air pressure with 0.14mpa and keeps Ra=1.2 μ m～1.6 μ m, the electric charge of even, sufficient acquisition-450V when ink powder is rubbed between powder delivery cutter and magnetic roller; The cloth of subject printer electricity and form direct current-250V exchanges the bias potential of 600V～700V rapidly.

3, charging roller: resistance value between coating and metal shaft=0.3M Ω～5M Ω in lucky time, make the photoconductor drum surface have density suitably, be evenly distributed-650V high-pressure electrostatic lotus; Value=HD35 ° ± 3 ° A of rubber sleeve and conductive sponge overall hardness, elasticity are good, and under the pressure of former powder box location, power spring, and the pressure control that all surface of contact produce between the photoconductor drum is in 5N～5.5N scope; The rate of depreciation that the charging roller surfaceness causes the photoconductor drum surface should be rotated 100,000 circles less than 0.1 μ m/ photoconductor drum; Have certain electrical property setting range, at relative humidity RH10%～90%, the changing environment scope planted agent that temperature is 5 ℃～35 ℃ has certain stability, to eliminate, to reduce or to remedy the influence of environmental factor to photoconductor drum cloth electricity; When mains fluctuations, the accepting output characteristics and should remain unchanged substantially of charging roller; The photoelectric properties fatigue that local voltage is too high, photoconductor drum caused local damage (punctures) or acceleration photoconductor drum can not appear in charging roller and load (air-gap, optical conductor etc.) impedance phase coupling; The outer material that contacts with photoconductor drum is deposited more than 30 days in 50 ℃～55 ℃ hot environment, can not soften, decompose and the photoconductor drum coating produce is polluted; Each base material that charging roller is formed has the good life-span, and durability is safe and reliable.

4, one-component negative polarity magnetic ink powder: constituent is a carbon black, magnetic oxide, resin, the ratio of lubricant and adjuvant is respectively carbon black 1%, magnetic oxide 40%, resin 55%, lubricant 3%, adjuvant 1%, make greasy property, flowing property, the colourity of ink powder reach optimum condition, the charged ability of unit volume ink powder reaches carried charge=288uc/g; Toner particle diameter is even, distribution range is controlled at above 1.5%, the 6.5 μ m of following 1.5%, the 8 μ m of 5 μ m～7.5 μ m more than 90%, and the carbon powder particle of participating in development and finally transfer printing is reached more than 98%; Softening point is 143 ± 1 ℃; But flowing property degree of scatter 90%-95% between the toner particle under rated condition, the nominal value limit deviation is 20%; Apparent density is 16.2g ± 1g/cm ³

5, powder delivery cutter: by stainless iron or etc. hardness rustless metal bracing frame, the PU material is magnetic roller support face and rubbing surface, require PU material corner angle, the rubbing surface flatness is good, thickness is even, hardness=HD70 ° ± 3 ° A, and elasticity is good, can be evenly when making between ink powder powder delivery cutter and magnetic roller friction, the electric charge of acquisition-450V fully, and can be uniformly by powder delivery to the gap of magnetic roller, the thickness on pressure control friction back absorption left magnetic roller surface is 0.3 ± 0.01mm, and the magnetic roller rotates 300,000 circles or places 5 years powder delivery cuttves and elastic force depletion can not occur;

6, cleaning doctor: by stainless iron or etc. hardness rustless metal bracing frame, the PU material is that magnetic roller support face and rubbing surface are formed, require that PU material corner angle, rubbing surface flatness are good, thickness evenly, hardness=HD75 ° ± 3 ° A and elasticity is good, and form suitable pressure between the photosensitive drums, can be good at after the photoconductor drum surface development but the carbon powder cleaning of transfer printing is unclean, photosensitive drums is rotated 100,000 circles or is placed and elastic force depletion can not occur in 5 years.

20 ℃ ± 4 ℃ of temperature, in dustless, the no static environment of relative humidity 35%～60%, the above-mentioned accessory of assembling on moulding, the whole print quality of cartridge is improved significantly, concrete advantage is as follows: (1) carbon dust transfer efficiency can improve 5～10 percentage points, totally be controlled at more than 95%, the useless powder of cartridge can reduce more than 50%; (2) even property＞6% of density unevenness＜9% can be controlled in the 1.4-1.45 interval, has improved image definition; (3) the firm degree of photographic fixing can improve more than 5%; (4) low capacity 130g ± 5g amount of toner is the highest printable to 3500 pages (A45% coverage rates), and printing effect has improved 55.5%; In the highest printable 7500 pages of life-spans of high capacity 270g ± 5g amount of toner (A45% coverage rate), printing effect has improved 30.4%; (5) the whole life performance of cartridge is stable, and print quality is good, and print cost per page can be from 0.06 yuan of 0.1～0.2 yuan/Zhang Jiangzhi/open.

Claims

1, a kind of factory formula of cartridge, the photoconductor drum of assembly particular characteristic, magnetic roller, charging roller, one-component negative polarity magnetic ink powder, powder delivery cutter and cleaning doctor is characterized in that assembly property reaches optimum matching:

Organic light guide drum: 1. coating thickness is that 20 μ m～25 μ m, charge generating layer thickness are 1 μ m～2 μ m, 2. photoelectric properties: charging potential (V0) absolute value-550V～-600V, sensitivity (E1/2) scope are 0.1 μ J/cm ²≤ E1/2≤0.15 μ J/cm ², exposure current potential (VL) absolute value 70V≤| VL|≤120V, dark decay rate (DDR)＜10V/S, sheet resistance value requirements＞170M Ω, 3. unevenness＜1 μ m, the rate of depreciation＜2 μ m/ of bulging coating rotate 100,000 circles;

Magnetic roller: conductive coating roughness 1.2 μ m～1.6 μ m;

Charging roller: surface resistance=0.3M Ω～5M Ω, hardness number=HD35 ° ± 3 ° A, surfaceness=0.05 μ m～0.1 μ m;

One-component negative polarity magnetic ink powder: 1. carried charge=288uc/g, nominal value limit deviation are 20%, 2. softening point=143 ± 1 ℃, nominal value limit deviation ± 3 ℃, 3. above 1.5%, the 6.5 μ m of following 1.5%, the 8 μ m of 5 μ m～7.5 μ m's more than 90%, it is ± 1.0 μ m that middle footpath is worth limit deviation, 4. but degree of scatter is 90%～95% between the toner particle, the nominal value limit deviation is 20%, 5. apparent density＞greater than 16.2g ± 1g/cm ³

The powder delivery cutter: the cutting edge by good, the anti-aging wear-resisting PU material of metal frame and elasticity constitutes, and its PU hardness is respectively HD70 ° ± 3 ° A;

Cleaning doctor: PU material corner angle, rubbing surface flatness are good, thickness evenly, hardness=HD75 ° ± 3 ° of A.