Stylus Pro 4880 Field Repair Guide 1/17/08
Board (Main) Removal Printer Component, Software Item, LCD Display, Printer Button  Page 20.
Board (Main) Removal
1. Back up the Printer’s parameters using the Parameter Backup / Restore Utility (Nvram.exe).
Note: If the Printer’s parameters can not be “backed up”, print out the Print Head Calibration value 
(Head Rank). The Print Head Calibration value is printed on the Service Level Nozzle Check 
(Maintenance Mode 2: Self Testing: Adjustment: Check Nozzle). 
2. Turn off the Printer and UNPLUG from AC.
3. Remove the Rear Paper Guide.
Push the 2 Grey Tabs and remove the Rear Paper Guide