- 9 -
Contents
Canceling Printing .................................................................................82
Convenient Print Functions .....................................................................83
.................................................................
When an Error Message is Displayed on the Display Screen ........................ 84
When the Message for Replacement of Consumables or Maintenance Unit is
Displayed .............................................................................................97
When the Message for Paper Replacement or Paper Size Error is Displayed ... 102
Other Error Messages .......................................................................... 104
When You Cannot Print ........................................................................ 108
When You Cannot Print from the MP Tray ..................................................................108
Unable to Print from a Computer ..............................................................................109
Unable to Install a Printer Driver Successfully ............................................................111
..........................................................................................112
Image Quality Issues ........................................................................... 114
Feeding Issues .................................................................................... 117
Machine Issues ................................................................................... 119
....................................................................
Replacing Print Cartridges .................................................................... 122
Replacing Toner Cartridge or Image Drum .............................................. 124
Replacing the Fuser Unit and Transfer Roller ........................................... 130
Cleaning ............................................................................................ 134
Cleaning the Surface of the Printer ...........................................................................134
Cleaning LED Heads ...............................................................................................134
Cleaning Paper Feed Rollers.....................................................................................136
Moving or Transporting Your Printer ....................................................... 140
Appendix ...............................................................................
Basic Steps in Windows ....................................................................... 148
..................................................................................... 149
Index ....................................................................................
.................................................................
Summary of Contents for B721
Page 156: ...45489202EE Rev5...