14 Troubleshooting 
218 Xerox Phaser 3635 User Guide
Toner Supplying Error Toner is not being supplied 
correctly.
Check the Print Cartridge is installed 
securely. 
Invalid Print Cartridge The installed Print Cartridge is 
not a valid Xerox cartridge.
Check the Print Cartridge and install 
a valid Xerox cartridge if necessary.
If problem persists, call for service.
Output
Full Stack Output tray full. Remove printed material from 
Output tray.
Staple Cartridge Not 
Installed
Staple cartridge not installed. Install staple cartridge.
Stapler Fault Stapler unit does not work. Open stapler door and check the 
stapler. Close stapler door.
If the fault persists, Power Off / Power 
On.
If the problem persists, call for 
service.
DADF
DADF Jam The loaded document has 
jammed in the DADF.
Open DADF cover and remove 
jammed media.
Load Document You have attempted to set up a 
job with document not loaded 
or incorrectly loaded in the 
DADF.
Load document in DADF.
If already loaded, remove and 
reload.
Errors & Faults Description Solution