Product function:
1. After using long time for printing head, the air will fill in, which will reduce ink volume over time, then appear the strips, blank when printing, NO longer print correctly. Please use the smart tool which can separate the air from printer applicator, then full the ink soonest, to show the picture, designs clearly when printing, to expand the life of print head.
2. To use refill kits which the ink is not pure, it will cause congestion for print head, this tool can take the tiny impurity apart from here, as printer applicator feel the air pressure, finally, you can print perfectly. Sure, if it is not success after using one time, please try one more time.

For HP Printer head models:
HP18/38/70/72/73/88/89/91/771/940/941
For HP printer models:
Photosmart Pro B8850 B9180 B9180gp
Designjet T610 T620 T770 T790 T795 T1100/ps/mfp T1120 T1200 T1300 T2300 Z2100 Z3100/ps Z3200 Z5200 Z5400 Z6100/ps Z6200
Officejet Pro K550/dn/dtwn K5300 K5400/dn/dtn/tn K8600/dn L7380 L7400 L7480 L7500 L7550 L7555 L7580 L7590 L7600 L7650 L7680 L7681 L7700 L7750 L7780 Pro8000 Pro8500/A

Package includes:
1PCS-Snap on Print Head Cleaning & Refilling Tool
1PCS-Ink Supply Funnel
1PCS-10 ML Vacuum Syringe
1 PAIR-Rubber Gloves

ATTENTIONS:
1. This tool do not include INK, you have to order it from other sellers.
2. DO NOT solve the problem which was caused by damage chip of print head or electrical accident.
3. DO NOT ensure all impurity can be absorbed. DO NOT use this tool if face heavy congestion of print head.
4. If the print head face above two situations, and used this tool to repair, but the problem is still exist, it's time to change new print head.

• Rocker Blotter is tool to clean and repair printing head, it is very simple for handling.
• To solve the problem for printing design, such as vertical stripes, horizontal stripe and blank printing etc.
• To fix the print head block.

Rocker Blotter is tool to clean and repair printing head, it is very simple for handling.Colul