T520_PPC.pdf

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Print Performance Characteristics

AN ANALYSIS OF TONER/DRUM MATRIX TESTING

Lexmark T520

Quality Commitment

O

asis is committed to providing our customers with only the

highest quality products. Our toner and components are

thoroughly tested by our Quality Control team to determine fitness of

use and ability to perform consistently throughout a cartridge cycle.

The results are then analyzed and used to improve existing products

and produce new product .

Yield Performance Specifications

OEM Part Number: 12A6830; 12A6735

OEM Yield: 7,500; 20,000

OEM Print Speed: 20 ppm

OEM Resolution: 1200 x 1200 dpi

Released: June 2001

Estimated OEM Retail: $179; $469

Lexmark T520 Toner, 650g &

US Fuji Optra S/ T Drum

Lexmark T520 Toner, 650g &

Mirage III Optra S/ T Drum,

Grd

Print Performance Characteristics

Toner Lexmark T520 Toner, 650g

OEM Toner & OEM Drum

12A6735

10

9

0

5000

10000

15000

20000

25000

30000

8

Page Yield

7

6

Drum

5

US Fuji Optra S/ T Drum

Mirage III Optra S/ T Drum, Grd

4

Black Image Density (B.I.D)

3

2

1

0

Background

Character Fill

Resolution

Uniform

Density

Rating

Lexmark T520 Toner & US

Fuji Optra S/ T Drum

10 = EX

9 = EX–

8 = GD+

7 = GD

6 = GD–

5 - FR+

4 = FR

3 = FR–

2 = PR+

1 = PR

Lexmark T520 Toner & Mirage

III Optra S/ T Drum, Grd

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

B.I.D

Lexmark T520 Page 1 of 2

Print Performance Characteristics

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Print Performance Characteristics

AN ANALYSIS OF TONER/DRUM MATRIX TESTING

Glossary

5% Yield – The number of pages produced by

running a "smartbox," which contains a chip

reproducing an Oasis 5% print coverage on a

given document.

Backgrounding - The amount of undesirable

residual toner that is left when applied to

paper. A test sheet with solid white squares at

each corner and center of the page is used to

take readings. The densitometer measures

light shown on the square areas to the light

reflect off of the area and establishes how

much residual toner is left on the white

portions of the page.

P.P.G. (Pages Produced Per Gram) – The

number of pages produced for each gram of

toner used.

E.O.T. (Efficiency of Transfer) – The amount

of toner that is transferred from the cartridge

to paper minus the waste.

Resolution – A subjective measure of thick

and fine lines to determine the ability of the

combination to print with clarity. Presence of

ghosting or residual images is also examined.

B.I.D. (Black Image Density) – The intensity

of how black the toner is when applied to

paper. A test sheet with solid black squares at

each corner and center of the page is used to

take readings. The densitometer measures

light shown on the square areas to the light

reflected off of that area.

Uniform Density – A subjective rating on a

full black page of how even the density

appears over the entire page.

Overall Rating – A subjective rating of all

given results seen in print testing.

Gram Loads – A full load of toner placed

in the cartridge for testing in gram

measurement.

Character Fill - A subjective rating of

individual letters and the incidence of voids

in the toner formation within these letters.

Oasis and You ... Succeeding Together!

New Hampshire

(603) 880-3991

(800) 322-8992

Fax: (603) 598-4277

Texas

(972) 671-1307

(888) 591-3555

Fax: (972) 671-1359

Illinois

(630) 982-1543

(888) 658-4555

Fax: (630) 928-1542

North Carolina

(919) 776-0847

(866) 399-8558

Fax: (919) 776-0898

Tennessee

(901) 433-0334

Fax: (901) 366-9756

Canada

(905) 568-3422

(800) 430-7886

Fax: (905) 568-3491

California

(714) 283-6270

(888) 656-9555

Fax: (714) 283-6276

Europe

Netherlands

011-31-24-388-2233

Fax: 011-31-24-355-7373

© 2004 Oasis Imaging Products, Inc. Any attempt to reproduce any part of these Print Performance Characteristics without the written consent of Oasis Imaging

Products, Inc. may result in legal action. All registered trademarks are the property of their respective owners.

Lexmark T520 Page 2 of 2

Print Performance Characteristics

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