Cool Toner Compatible Toner Cartridge Replacement for HP 42X Q5942X Q1338A Q5942 for HP 4250TN 4250N 4250DTN 4350N 4350TN 4350DTN Printer-1PK

Cool Toner Compatible Toner Cartridge Replacement for HP 42X Q5942X Q1338A Q5942 for HP 4250TN 4250N 4250DTN 4350N 4350TN 4350DTN Printer-1PK

• Compatible for HP 42X Q5942X High Yield Toner Cartridge also Available in for HP 42A Q5942A (Q1338A) Standard Yield Toner Cartridge
• Compatible for HP 4200 4220N 4200TN 4200DTN 4200DTNS 4200DTNSL; 4250 4250N 4250TN 4250DTN 4250DTNSL; 4300 4300N 4300TN 4300DTN 4300DTNS 4300DTNSL; 4350 4350N 4350TN 4350DTN 4350DTNSL 4345MFP Printer
• High Yield: 2,0000 Pages (Black) Based on 5% coverage (Letter/A4)
• Include 1 Pack Compatible for HP 42X Q5942X (42A Q5942A) Black Toner Cartridge
• Easy to be installed and fully compatible with your printer

<p>Compatible with HP Q5942X Q1338A Q1339A Q5945A toner cartridge. Cool Toner provides replacement printing supplies with the same quality as OEM products with big savings. </p> <p><b>Q&A </b></p> <p> </p> <p><b>Q: How should I choose a right toner cartridge with good quality? </b> </p> <p></p> <p>A: First, you have to find out the printer model you use. Generally you can see the model number on the printer surface or the package. </p> <p>Second, you need to know the basic parameters for a cartridge as below. <br> </p> <p>*<b>Page Yield</b><br> STMC or ISO 19752 are usually employed to evaluate page yields of toner cartridges</p> <p>*<b>Image Density</b><br> This refers to blackness and color degree for cartridges, which will make sure your print outs clearly enough. Ideal Density is 1.3-1.5. </p> <p>*<b>Background</b><br> Background refers to the cleanness of the blank space on your print outs. More lower on this parameter, better on the printing quality. </p> <p>*<b>Fusing</b><br> Fusing refers to the firmness of the toner adhered on the paper. If the toner can be easily erased with your finger from the paper, the fusing is not good. </p> <p></p> <p></p> <p><b>Q. How does Cool Toner make sure their products can meet above parameters? </b></p> <p></p> <p>A: Firstly, Cool Toner cartridges are certified with ISO9001, ISO14001, ROHS, STMC and CE, MSDS. <br> Secondly, all of the products have passed strict testing as below. <br> </p> <p>*<b>Extensive Environmental Test</b><br> Low-temperature storage test: -20 to -30 degrees centigrade, stored for 40 days<br> High temperature storage test: 50 degrees centigrade, stored for 72H</p> <p>*<b>Aging Test</b><br> Aging Test of raw materials in high-temperature 50 degrees centigrade and stored for 30 days</p> <p>*<b>Advanced equipment </b><br> X-Rite tester. <br> Environmental Chamber<br> Low Temperature Storage Chamber<br> High Temperature Storage Chamber</p>