HP 1055CMHP - Manual (Page 222)

Removal and Installation
8-14
HP DesignJets 1050C and 1055CM Printers Service Manual
2. Release the tube holder (item 1) from the rear of the left hand cover
by pushing it up and out (refer to Figure 9).
Figure 9: Tube Grip
3. Twist the two latches at the rear of the ink cartridge tube connector
outwards (refer to Figure 10). This will release the complete
assembly.
Figure 10: Latches
1
2082a
2
1