
Contents
WorkCentre 7800 Series Multifunction Printer 7
User Guide
Replacing the Toner Cartridges........................................................................................................................179
Replacing the Waste Toner Container ..........................................................................................................180
Replacing the Drum Cartridges ........................................................................................................................183
Replacing the Transfer Belt Cleaner...............................................................................................................186
Replacing the Second Bias Transfer Roller...................................................................................................188
Resetting Supply Life Counters.........................................................................................................................190
Replacing Staple Cartridges...............................................................................................................................191
Emptying the Hole Punch Waste Container................................................................................................200
Billing and Usage Information .................................................................................................................................203
Ordering Supplies............................................................................................................................................................204
Locating the Serial Number ...............................................................................................................................204
Consumables ............................................................................................................................................................204
Routine Maintenance Items ..............................................................................................................................204
Other Supplies..........................................................................................................................................................205
When to Order Supplies .......................................................................................................................................205
Viewing Printer Supply Status ...........................................................................................................................206
Recycling Supplies ..................................................................................................................................................206
Moving the Printer..........................................................................................................................................................207
10 Troubleshooting 209
General Troubleshooting.............................................................................................................................................210
Printer Has Two Power Switches ......................................................................................................................210
Restarting the Printer............................................................................................................................................211
Printer Does Not Turn On....................................................................................................................................211
Printer Resets or Turns Off Frequently...........................................................................................................211
Printing Takes Too Long......................................................................................................................................212
Document Fails to Print .......................................................................................................................................212
Document Prints from Wrong Tray.................................................................................................................213
Printer is Making Unusual Noises ....................................................................................................................213
Automatic 2-Sided Printing Problems............................................................................................................214
Date and Time Are Incorrect .............................................................................................................................214
Scanner Errors ..........................................................................................................................................................215
Jams......................................................................................................................................................................................216
Clearing Paper Jams..............................................................................................................................................217
Clearing Jams in the Office Finisher LX.........................................................................................................229
Clearing Jams in the Professional Finisher...................................................................................................231
Minimizing Paper Jams ........................................................................................................................................241
Troubleshooting Paper Jams .............................................................................................................................242
Clearing Staple Jams.............................................................................................................................................245
Clearing Hole Punch Jams...................................................................................................................................254
Print-Quality Problems..................................................................................................................................................255
Controlling Print Quality ......................................................................................................................................255
Troubleshooting Print-Quality Problems.......................................................................................................258
Copy and Scan Problems .............................................................................................................................................263
Fax Problems.....................................................................................................................................................................264
Problems Sending Faxes......................................................................................................................................264
Problems Receiving Faxes ...................................................................................................................................266
Getting Help......................................................................................................................................................................267