All products go through as following professional test before leaving the factory

1. Mechanical test to ensure the toners smooth operation and no noise, and to meet with ISO standards.

2. Environment protection test to ensure toners' environmental safe.

3. Duration test to ensure toners can last more one year.

4. Difficult conditions tests such as abnormal temperature, air pressure, strong sun light and rough transportations tests to ensure the printing quality remains high.

5. Water resistant test to ensure printing won't fade and be diluted when wet.

6. Printing quality test to ensure the printing is real black, sharp, no slur and won't fade.

7. Capacity test to ensure the number of printed pages is the same as the ones of original manufacturers

Replace toner cartridge Instructions

1 Navigate through the menu of your laser printer using the keypad.

2 Choose "Replace Toner."

3 Select the cartridge that you want to replace (the printer will give you options of which cartridge you would like to replace). The selected cartridge will rotate to the inside front of the printer.

4 Open the printer door and lift up the handhold. Gently dislodge the cartridge for removal.

5 Take a new toner cartridge out of the box and shake it gently. Remove the protective tape.

6 Insert the new cartridge into the laser printer and align the cartridge with the arrows. Push down gently to make sure it is locked into place.

7 Close the front panel of the printer, and it is ready for use.

• High quality COREs anguaranteed the OEM quality
• Low price, saving money for your business
• Risk free. *8months warranty
• 6 times testing before shipping
• Defective rate less than 1/***0
• 1:1 replacement for any defective, even shipping
• Strong R&D team and technical support team
• 7 years experience in printer consumables
• Full range products for Inkjet and laserjet printers
• All inquiry will be reponse within *4 hours

• We are the Manufacturer! You can get competitive priceand steady quality toner cartridge.  No.1 Sale Service: •You may contact Global sales on Alibaba or our website  •Any requirements can be available before your order.  No.2 Quality Guaranteed:  •*8 months warranty •Certification: CE.ISO***1.ROHS.CE •We have professional quality control system and R&D department to strictly manufacture each product.  •Defective: BK < 1% (C/M/Y) < 2% •All our products are **0% (rigorous) tested prior to leaving the factory.  •Return Policy, 1/1 replacement for defectives cause by manufactured or refund is acceptable No.3 Supply Ability:  •*0,**0 pcs per month for cartridges Dep. •We now have 8 production lines, and have flexible production line, to make quick action to urgent customized needs. No.4 Package Term: •Normally, our price is based on Cavia brand packing,  •Customized packing is welcome; MOQ of printing customized box is ***0 pcs/model. •Neutral package. Air bag with Customized Logo also is available. No.5 Payment Term:  •W/U for sample (small) order • T/T in advance Qty below **0 pieces •Qty above **0 pieces, we allow *0% T/T in advance, *0% of the balance against the B/L. No.6 Delivery Term: •( Courier or airway)DHL/TNT/EMS is our shipping partner •( Seaway)You may choose our shipping partner or your own partner. •Delivery Time: With in 7 working days upon receiving your payment. No.7 After-sale service: •*8 months warranty • We will supply best service to you. Please feel free to contact us.