System Administrator GuideChapter 3 Using the Hard Drive and Flash Memory ................. 3-1Hard Drive/Flash Memory Considerations............................. 3-2Disk Initialization ............................................................. 3-2Flash Initialization ............................................................ 3-2Downloading Fonts, Forms and Macros (Overlays) ............... 3-3FSDOWNLOAD Command ............................................... 3-4FSDELETE Command ........................................................ 3-7Using the Hard Drive for Secure and Proof Jobs .................... 3-8Creating Secure Jobs......................................................... 3-8Creating Proof Jobs......................................................... 3-10Printing or Deleting Secure or Proof Jobs ......................... 3-12Chapter 4 Maintaining the Printer ........................................... 4-1Regular Printer Maintenance................................................ 4-2Cleaning the Printer ......................................................... 4-2Replacing the Laser Print Cartridge ...................................... 4-3Maintenance Kit Instructions ............................................... 4-6Replacing the Feed Rollers................................................. 4-7Replacing the Bias Transfer Roller ................................... 4-11Replacing the Fuser Assembly ......................................... 4-14Chapter 5 Troubleshooting ...................................................... 5-1Before You Begin Troubleshooting ........................................ 5-2Hardware......................................................................... 5-3Software .......................................................................... 5-3Printer Maintenance......................................................... 5-3Consumables ................................................................... 5-3Control Panel Messages....................................................... 5-4Chapter 6 Installing Printer Options ........................................ 6-1Optional Equipment ............................................................ 6-3550 Sheet Feeder................................................................. 6-6Precautions ...................................................................... 6-7