Service ManualTable of ContentsProduct information11Quick access to printer information12Printer configuration13Printer features14Walk around16Front view (shown with optional Tray 3)16Back and side view17Control panel18Understanding supplies status18Understanding printer status18Understanding control panel layout19Software21Supported drivers21Software and supported operating systems21Software for Windows21Uninstalling Windows software22Print-media specifications23General guidelines23Paper and print media23Printing and storage environment23Envelopes24Labels26Transparencies26Media support tables26Supported print media for Tray 1, Tray 2, and optional Tray 326Unsupported media (media to avoid)27Installation29Site preparation30Operating environment30Minimum system requirements31Requirements for PC systems31Package contents32Install input devices33Installing optional Tray 333Loading Tray 133Installing supplies35Print cartridges35Managing and maintenance39Managing supplies40Life expectancies of replacement supplies40Checking and ordering supplies40To check status using the control panel40To check and order supplies using HP Toolbox40Storing supplies41Replacing and recycling supplies41Replacing the print cartridges41HP policy on non-HP supplies41HP anti-counterfeit Web site41Cleaning the printer42To clean the printer at the printer42To clean the fuser using HP Toolbox43Cleaning spilled toner43Calibrating the printer44To calibrate the printer at the printer44To calibrate the printer from the HP Toolbox44Operational theory45Engine control system46Basic sequence of operation46Power-on sequence47Motors and fans47Main motor failure detection48Fan motor failure detection48Image formation system49Image formation process51Latent image formation52Laser/scanner system53Developing stage53Print cartridge54Transfer belt (ETB)55Transfer stage56Separation stage57Fusing stage57Pickup and feed system59Manual feed slot pickup mechanism61Paper feed mechanism61Skew correction by the registration shutter61Jam detection62Solenoid, motor, and fan locations63Printed circuit assembly locations63250-sheet tray solenoid and printed circuit locations64Service-only tools (service only)66General timing chart66Printer calibration67Removal and replacement69Overview70Service approach71Pre-service procedures71Removal and replacement procedures72Print cartridge replacement72ETB removal and replacement74Fuser removal and replacement83Formatter removal and replacement91DC controller removal and replacement95Separation pad removal and replacement98Paper pickup roller removal and replacement99Control panel removal and replacement101Troubleshooting107Troubleshooting process108Troubleshooting checklist108Clearing jams110Paper path110Common causes of paper jams111Where to look for jams112Jams inside the printer113Input jams114Tray 1114Tray 2115Output jams115Jams in the top bin115Pickup delay jam116Pickup stationary jam116Delivery delay jam116Wrapping jam116Delivery stationary jam116Start-up residual paper jam116Door open jam117Print problems118Getting information118Control panel messages118Alert and warning messages118Critical error messages119Supplies messages120Status messages123Status log only messages123Reports menu124Configuration page125Supplies Status page127Menu map127Status log128Service menu settings130Secondary service menu130Printed image quality problems131Improving print quality131Paper Types menu131Print Modes menu132Print quality menu132Understanding print-quality settings133To temporarily change print-quality settings133To change print-quality settings for all future jobs133Identifying and correcting printed image defects134Print-quality checklist134Paper handling issues134Wrong size/type media134Cannot select a tray or feature to use135Performance problems135Functional tests (service only)137Engine test print137Service mode functions (service only)138Cold reset138NVRAM initializer138Super NVRAM initializer138Restoring page counts and serial number139Cleaning the ETB139Troubleshooting tools140Printer pages and reports140Demo page140Configuration page141Event log142Supplies Status page142Fuser cleaning page143Print quality troubleshooting pages143Control panel messages (error codes)143Alert and warning messages143Critical error messages145Supplies messages145Status messages148Status log only messages149Service menu149Restoring the factory-set defaults149To restore the factory-set defaults149General print quality issues149Solving issues with color documents153HP Toolbox156HP Toolbox156To view HP Toolbox156Troubleshooting tab156Print quality troubleshooting pages156Printer calibration156Cleaning page156Configuration page157Diagnostic resources158Reports menu158Web diagnostics tools158Repetitive image defect ruler159Firmware and software updates160Parts and diagrams161Overview162Assembly locations166Covers172Internal assemblies174Input devices198Diagrams220Alphabetical parts list221Numerical parts list250Product specifications279Physical specifications280Replacement supplies specifications281Print cartridge life281Electrical specifications282Environmental specifications283Acoustical specifications284Product warranty statements285Hewlett-Packard limited warranty statement286Print Cartridge Limited Warranty Statement287Regulatory statements289Declaration of Conformity290Laser safety statement291Canadian DOC statement291VCCI statement (Japan)291Korean EMI statement291Finnish laser statement292Index293Size: 12.2 MBPages: 300Language: EnglishOpen manual
