1-Lexmark CS310 series printer compatible toner cartridge chips installation introduction：

 

Many people installed this chip in oppsite direction, so this vedio will show you step by step，First check where the used chip is installed, then how to remove it，
Last how to install the new chip correctly


2-Detailed process：

 

1.According to the direction of the arrow, push the chip into the card slot from bottom to top

                                                                                                                          

（Step 1）

 

2.Tighten the screw with a screwdriver

twist the screw，put back the chip holder and pay attention to the chip contact point.

                                                                                                                           

（Step 2）

 

3.install the chip holder into the toner cartridge

it is forward to the direction of screen board，push it into the chip holder flatly like this
 

                                                                                                                           

（Step 3）

 

4.install the screen board back to the cartridge

it is forward to the direction of screen board，push it into the chip holder flatly like this，then insert the screen board back，the longer side is on the left，
insert it in like this.

                                                                                                                          

（Step 4）

 

now we finished the CS310 toner cartridge chip installation.
 

3-To learn more about the installation steps
Please see the video below：