HP Color LaserJet Enterprise CM4540 Service Manual - Page 27

Jams in Tray 1, Tray 2 and internal paper path 602 Jams in Tray 3, 4, and 5 603 Change jam recovery 608 Paper does not feed automatically 609 Product feeds multiple sheets 610 Use manual print modes ...611 Solve image-quality problems 614 Print quality examples 614 Clean the product ...620 Clean the paper path 620 Clean the scanner glass 620 Clean the fuser ...622 Solve performance problems 623 Solve connectivity problems 624 Solve direct-connect problems 624 Solve network problems 624 Service mode functions ...625 Service menu ...625 Product resets ...629 Restore factory settings 629 Preboot menu options ...631 Solve fax problems ...638 Is your fax set up correctly 638 What type of phone line are you using 638 Are you using a surge-protection device 638 Are you using a phone company voice-messaging service or an answering machine 639 Does your phone line have a call-waiting feature 639 Check fax accessory status 639 Fax feature is not operating 640 General fax problems 640 Problems with receiving faxes 641 Problems with sending faxes 642 Error codes ...643 Fax error messages 643 Send-fax messages 645 Receive-fax messages 647 Fax reports ...648 Fax activity log 648 Billing code report 649 Blocked fax list report 649 ENWW xxv