HP Designjet Z2100 44" Ink Tube System - Refurbished Q6677-60007 DesignjetZ6100 Replacement part for 24" and

Replacement part for 24"  and 44" plotters

you're already past the hard part

HP Latex L25500 60" Ink Tube System Rebuild and Upgrade Service

Print mechanism PC board - Controls the function of the print mechanism - For the Designjet photo printer series

HP Designjet Z2100 44" Ink Tube System - Refurbished Q6677-60007 DesignjetZ6100 Replacement part for 24" andDesignjet Z2100 44" Ink Tube System Refurbished Includes purge tool to prime the tubes STOP! If your printer is showing the message "printhead replacement incomplete. Please restart it" and you suspect the problem is with the ink tube system, try this easy to install seal kit first. The replacement procedure for this part is found in section 6 151 of the service manual available here. Q6677 60007 This is the replacement part for the 44" Designjet