03/2003 
4-119
8850/ 510DP 
REP 10.2, REP 10.3
Repairs and Adjustments
Replacement
1. (Figure 9): Install the Fuser Heat Roll.
Figure 9 Installing the Fuser Heat Roll
2. The remainder of the replacement is the reverse of the removal.
NOTE: If the Fuser Heat Roll Bearings are difficult to install, lower the Latching Cover
more to remove the force of the Pressure Roll on the Fuser Heat Roll.
REP 10.3 Web Oiler Assembly
Parts List on PL 10.5 
WARNING
Switch off the Main Power Switch. Disconnect the Power Cord.
Removal
1. (Figure 1): Access the Fuser Module.
Figure 1 Accessing the Fuser Module
2. Ensure that there is a clean, flat surface on which to place the Web Oiler Assembly after it
is removed.
1
Install Fuser Heat Roll with the flat 
on the shaft towards the right side 
(drive side) of the Fuser
2
Hold the Latching Cover fully open to 
remove the force of the Pressure 
Roll from the Fuser Heat Roll.
1
Pull up on the handle and pull open the 
Fuser Module Drawer.