This model of solvent resistant Epson printhead is suitable for certain solvent based Chinese DX7 printers manufactured before 2014. This printhead has 8 channels and 180 nozzles per channel. It has a 3,5 picoliter drop size with Variable-Sized Droplet technology. 

This DX7 head model is not coded. This printhead Epson part number is F189010. We offer 3 versions of this printhead: ''not coded'’, ''1st coded'', and ''2nd coded”.  Please make sure you select the right printhead for your printer as they are not compatible. This head ID starts with F or letters before F.
 
The following items are expressly excluded from warranty coverage:
defects related, in any way, to the use of non-original inks
clogged, missing or deviated nozzles
defects related to misuse, abuse, accident, neglect, lack of use, or improper storage when not in use for extended periods
defects related to failure to perform periodic maintenance as specified in the user documentation; operation for unintended purposes
defects related to improper loading of media
all other defects, failures or damage not considered manufacturing defects
defects related to third-party applications, software, parts, components, or peripheral devices, including any bulk ink system.
defects that are merely cosmetic in nature.

Product Specifications 
Technology: Micro-Piezo
Native resolution: 1440 dpi
Min. Droplet Size: 1.5 pico litre
Max. Droplet Size: 21 pico litre
Tot. Amount of Nozzles: 1440 (8 lines x 180 nozzles)
Firing Frequency: 8 kHz
Ink Compatibility: eco-solvent and mild solvent
This printhead carries a manufacturer warranty.
Country of origin : Japan

It is highly recommended to replace the head cables together with a new printhead.
 
Printer compatibility
Fengda Technology (HK) CO. Limited X8126NDE
 
Forni 7090E
 
MeiTu MT-StarJet 7702
MeiTu MT-StarJet 7702L
MeiTu MT-StarJet 7703
MeiTu MT-StarJet 7703L
MeiTu MT-StarJet 77802L
MeiTu MT-StarJet W7701
 
Sanyi Tech SinoColor Storm SJ-1260
Sanyi Tech SinoColor Storm SJ-740
Sanyi Tech SinoColor Storm SJ-740i
 
TEC Sign Maker TJ-1601
 
Wit-Color Ultra 9200