Compatible HP C4092A Toner Cartridge for Black  . 

Product Description:

Our service:

· Manufacturer,with competitive price and top quality.

· According to customer's requirements to customized.

· One-step professional after-service and professor technique support.

· 100% Customer Satisfaction Guarantee.

· Quality warranty 18 months.

· Different model for your chioce.

Attention Tips : 

1.Toner storage temperature range: -20 ° C to 40 ° C ,Operating temperature range: 10 ° C to 32.5 ° C, operating humidity range: 20% to 80% relative humidity.

2.   Don’t touch the drum surface or rotate the drum , so as not to affect the printing quality.

3.  For the initial printing, if you find ambiguous writing or periodic white lines, you can print a few sheets of paper continuously to eliminate these  phenomenon.

4. If the toner cartridge is not used for a long time, please shake it evenly before use to ensure the printing effect.

5.  When the machine appears “TONER LWO” or the printing colors turn light , please shake  the powder box to continue printing.

6.  Empty selenium should be properly stored to avoid environmental pollution.