Paper feeds incorrectly or becomes jammed ................................................................................... 549
The product does not pick up paper ................................................................................ 549
The product picks up multiple sheets of paper ................................................................ 549
The document feeder jams, skews, or picks up multiple sheets of paper (M830) ........... 549
Prevent paper jams .......................................................................................................... 550
Use manual print modes .................................................................................................................. 551
Solve image quality problems .......................................................................................................... 553
Image defects table ......................................................................................................... 553
Clean the product ............................................................................................................................. 558
Print a cleaning page ....................................................................................................... 558
Check the scanner glass for dirt or smudges (M830) ...................................................... 558
Clean the pickup rollers and separation pad in the document feeder (M830) ................. 560
Solve performance problems ........................................................................................................... 561
Solve connectivity problems ............................................................................................................. 562
Solve USB connection problems ..................................................................................... 562
Solve wired network problems ......................................................................................... 562
Poor physical connection ................................................................................ 562
The computer is using the incorrect IP address for the product ...................... 562
The computer is unable to communicate with the product .............................. 563
The product is using incorrect link and duplex settings for the network .......... 563
New software programs might be causing compatibility problems ................. 563
The computer or workstation might be set up incorrectly ................................ 563
The product is disabled, or other network settings are incorrect ..................... 563
Service mode functions .................................................................................................................... 564
Service menu ................................................................................................................... 564
Product resets .................................................................................................................. 567
Restore factory-set defaults ............................................................................ 567
Restore the service ID ..................................................................................... 568
Product cold reset ........................................................................................... 568
Format Disk and Partial Clean functions ......................................................................... 569
Active and repository firmware locations ......................................................... 569
Partial Clean .................................................................................................... 569
Execute a Partial Clean .................................................................. 570
Format Disk ..................................................................................................... 570
Execute a Format Disk ................................................................... 571
Solve fax problems ........................................................................................................................... 572
Checklist for solving fax problems ................................................................................... 572
What type of phone line are you using? .......................................................... 572
Are you using a surge-protection device? ....................................................... 572
Are you using a phone company voice-messaging service or an answering
machine? .....
.................................................................................................... 572
xxii ENWW
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