HP DesignJet T & Z Drop Detector Q5669-60666 box-101006 It runs the length of

It runs the length of the plotter and moves with the carriage

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See HP support page for instructions

This is a new part the works with the following Designjet Scanners: Designjet 820 MFP

Note: This part is a direct replacement for Q6675-60086 Formatter

HP DesignJet T & Z Drop Detector Q5669-60666 box-101006 It runs the length ofDrop Detector for T610, T1100, Z2100, Z3100 T770, T1200 Q5669 60666 The replacement procedure for this part is found in section 6 64 of the service manual available here. Drop detector that tests the health of individual print heads and assists in print head calibration. System errors related to the drop detector: Error 52: 10 This part is compatible with the following printers: HP DESIGNJET T1120 HP DESIGNJET T1100 HP DESIGNJET T1200 HP DESIGNJET