HP Designjet Z2600, Z5600 Engine PCA & Power Supply T0B51-67002 jetdirect This is the white metal

This is the white metal strip facing the glass used by the scanner for white balance calibration and to hold the document flat against the glass for scanning

with Sensor T1200 (CH538-67016)

This is the main reason you see the "printhead replacement failed" message

HP Designjet T7100 Ink Tube System & Trailing Cable Refurbished & Upgraded

firmware for booting the system and stores the settings

HP Designjet Z2600, Z5600 Engine PCA & Power Supply T0B51-67002 jetdirect This is the white metalCondition: Refurbished, Live tested Warranty: 12 months Designjet Z2600, Z5600 Engine PCA (Main PCA Logic Board) and Power Supply T0B51 67002 Main logic board and 170W power supply assembly for 24" and 44" Designjet HP Z2600 and Z5600 plotters. This is a refurbished part warrantied for 1 year. Errors related to the main PCA and power supply: Error 01. 0: YZ (also caused by the formatter) Error 01. 1: YZ (also caused by the formatter) Error 08: 11