chip for OKI B820 840DN printer chip

 The chips are tested before delivery, reach 100%-99.7% of qualified rate. And we

 offer replacement for defective chips.

 Antistatic bag, plastic bag, usually 10-50-100 chips per bag, or as your request.

 We have labels for showing compatible models.

1.

 Don't turn off the power supply of your machine. Take out your toner cartridge.

2.

 Clean the toner cartridge and refill full powder. (PS: the chip will burned if no toner powder inside or toner

 powder is too low)

3.

 Change for a new chip, but please pay attention on the installation direction when you take out the

  old chip.

4.

 Don't install toner cartridge, put down the machine cover and let it run.

5.

 After the red light flash and show "no cartridge", install the cartridge.

Ecofly specializes in manufacturing and selling a wide variety of printer and copier spare parts,

include toner chip, toner cartridge, opc drum, fuser roller, PCR, MR, Cleaning Blade etc...

We can provide you with hundreds of high-stable compatible parts for HP, Xerox, Lexmark, Samsung, Epson, Minolta, Kyocera, Toshiba, Ricoh, OKI, etc.

We pay more attention to quality control and technique innovation. We invest in technique training

and working environment improvement for staff. Our management philosophy is based on "Higher Stability, Better Service".

All products are tested on production line, and can reach 100%-99.7% of qualified rate after installation.

Q:

How to make order?

A:

Please send us order list and your details --> We quote best prices with shipping cost --> confirm order and payment way --> You make payment --> We prepare products and deliver ASAP.

Q:

What version for me? 

A:

Please confirm to us your region version or toner cartridge model, in order to send correct chips.

If you don’t know the version, please print a test page (supplies report) to check it.

Q:

How about the quality of your products?

A:

Q:

What is warranty of your products?

A:

All products are tested before delivery. We offer 12 months' warranty, and 1:1 replacement for defective one.

Q:

How is your work?

A:

We are responsible for each order, and collect feedback from customers to improve future works.