This Roland MPH-90 printhead is specially designed and coated for Roland MPX-90 and MPX-95 printers. This is the original Roland Parts (number 417014599)
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.
 We recommend to change the head cables when installing a new printhead. 
 
Printer compatibility
Roland MPX-90
Roland MPX-95