C7769-60385PC Board - Interconnect PC board - Installed in right-side of printer
C7769-60441PC Board - Formatter upgrade kit - Adds HP-GL/2 DesignJet 500 800 series GL/2 Card C7772A - Plugs into an EIO card slot. GL-2 AND RTL FORMATTER HP-GL/2 and RTL formatter PC board
C7769-69441PC Board - FORMATTER POWER HPGL2 SV - HP-GL/2 and RTL (Raster Transfer Language) formatter PC board.
CH538-60056PC Board - T1200/T770 Formatter board - Does NOT include the Hard Disk Drive (HDD) - For the 44inch Designjet printer series
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.
CH538-67004PC Board - T1200/T770 Formatter board - Does NOT include the Hard Disk Drive (HDD) - For the Designjet printer series
CH538-67009PC Board - T1200/T770 Main PCA with Power Supply Unit 170w PSU SV Main PCA - Includes Power Supply Unit (PSU). For PSU only (order CH538-67011 / CR647-67010)
CK837-67005PC Board - Carriage PCA - Controls movement of carriage assembly - For the DesignJet T1120/620 printer series
CK837-67020PC Board - Encoder disk sensor assembly - For the DesignJet T1120SD/T1120/620 printer series
CQ891-67026PC Board - T120 Mpca Assy "Main PCA Formatter Board" a key component within the printer's electronics responsible for processing print jobs and managing other printer functions.
CR647-67023PC Board - MSG signed analog encoder PC board (for calibration and alignment line sensor order Q6683-67004)
J4167-69001PC Board - JetDirect 600N EIO internal print server token ring LAN interface board - Has one RJ-45 and DB-9 connector
DesignJet t770 44-in printer with hard disk parts list