user manual

Removal and Installation
8-20
HP DesignJets 1050C and 1055CM Printers Service Manual
Air Pressurization System (APS)
Removal
WARNING Switch off the printer and remove the power cord.
1. Remove the Ink Cartridges (Refer to the User Guide).
2. Remove the following:
1. "Left Hand Cover" see page 8-13.
2. "Ink Supply System" see page 8-19.
NOTE When removing the APS from the ISS, take care with the tube
and cables attached to the ISS.
3. Release the APS from the retaining clips underneath the ISS as
shown in Figure 18.
NOTE If ink in the air system is suspected (Ink Cartridge leakage or
depressurization System Error), be very careful when removing
the APS because there could be ink in the APS.
Figure 18: Air Pressurization System
Installation of the Air Pressurization System (APS)
When assembling the APS, make sure that the air tube is correctly
routed and not pinched.
NOTE Perform the Ink Pressure System Test (⇒ Page 4-14) after
reinstalling the APS to make sure that it functions correctly.
Release from
these clips
C607443