HP 1055CMHP - Manual (Page 223)

Removal and Installation
8-15 HP DesignJets 1050C and 1055CM Printers Service Manual
4. Slide the ink cartridge tube connector assembly towards you (refer
to Figure 11).
Figure 11: Ink Cartridge Tube Connector (pulled back)
5. Disconnect the ink cartridge tube connector cable (refer to Figure
12).
Figure 12: Ink Cartridge Tube Connector Cable
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