CH538-67002PC Board - Lower roll cover assembly - With pinches - Upper roll cover assembly - Includes pinches - the Upper Roll Cover Assembly with pinch rollers for certain HP DesignJet printer models like T1200 T770 T2300 and T1300 44-inch printers and similar models.
CK837-67020PC Board - Encoder disk sensor assembly - For the DesignJet T1120SD/T1120/620 printer series
CQ101-67011PC Board - Carriage PCA board - For the DesignJet T7100 Monochrome printer
CQ105-67056PC Board - Print mechanism PCA board - For the DesignJet T7100 printer HP Designjet T7200 series and similar units.
CQ105-67061PC Board - Eola PCA service kit - There are 2 Eola PCAs to control 4 brushless blowers in order to generate the required vacuum to hold the substrate - One is connected to the print mechanism PCA (left side) and the other to the mini interconnect PCA (right side)