HP 1055CMHP - Manual (Page 264)

Removal and Installation
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HP DesignJets 1050C and 1055CM Printers Service Manual
9. Twist the two latches (item 1) at the rear of the ink cartridge tube
connector (item 2) to the outwards. This will release the complete
assembly (refer to Figure 58).
Figure 58: Latches
10. Slide the ink cartridge tube connector assembly (item 1) towards
you (refer to Figure 59).
Figure 59: Ink Cartridge Tube Connector (pulled back)
1
2082a
2
1
2082c