Pro 7900 and 9900 Field Repair Guide 10/6/10
Pressure Pump Assembly Removal Printer Component, Software Item, LCD Display, Printer Button Page 146.
Pressure Pump Assembly Removal
1. Turn off the Printer and UNPLUG from AC.
2. Remove the Cover (Rear).
3. Disconnect 2 Air Pressure Tubes and remove 3 Screws from the Pressure Pump Assembly.
1. Disconnect 2 Air Pressure Tubes.
2. Remove 1 Screw and
Ground Strap.
3. Remove 2 Screws.