사용자 설명서차례Chapter contents1Device configurations2HP Color LaserJet 2820 all-in-one2HP Color LaserJet 2830 all-in-one2HP Color LaserJet 2840 all-in-one3Device features4Device parts6Front view6Back view6Model and serial numbers7Software components12System requirements12Software and supported operating systems12Software tips14Gaining access to the device features14Obtaining the latest printing software14Other print system software14Software for Windows15Printer drivers15Using Help15Software for Macintosh15HP Director15PPDs (Mac OS 9.2.2)15PDEs (Mac OS 10.2 and 10.3)16HP Toolbox16Embedded Web server (EWS)16Software installation16Typical installation16Minimum installation17Uninstalling the printing software17Using Add or Remove Programs to uninstall17Uninstalling software for Macintosh18Specifications19Media specifications23Supported media weights and sizes23General guidelines24Paper and print media25Special media print speeds25Printing and storage environment26Envelopes27Envelope storage27Envelope construction27Envelopes with double side-seams28Envelopes with adhesive strips or flaps28Labels28Transparencies29Hewlett-Packard limited warranty statement30Print Cartridge and Imaging Drum Limited Warranty Statement31Print-cartridge information32Refilled print cartridges32HP LaserJet printing supplies32HP Printing Supplies Returns and Recycling Program information32Regulatory statements33FCC Requirements (United States)33Telephone Consumer Protection Act (United States)34EU statement for telecom operation34New Zealand telecom statements34IC CS-03 requirements34Declarations of conformity36Declaration of conformity36Declaration of conformity36Country-/region-specific safety statements38Laser safety statement38Canadian DOC statement38Korean EMI statement38Finnish laser statement39Chapter contents41Operating environment42Interface ports43Control-panel features44Input trays46Output paths47Top output bin47Rear output bin47Loading media48Loading tray 148Loading optional tray 249Loading documents to scan50HP Toolbox53Viewing HP Toolbox53Status tab54Fax tab54Scan to tab55Troubleshooting tab55Documentation tab55Device Settings pages56System Settings tab56Print Settings tab57Fax Settings tab57Copy Settings tab57Network Settings tab57HP Toolbox links58Other links58Embedded Web server59Features59Chapter contents61Life expectancies of components62Cleaning the device64Cleaning the device exterior and scanner64Cleaning the paper path65Managing supplies68Supplies life68Checking and ordering supplies68To check status and order supplies using the control panel68To check status and order supplies using the HP Toolbox69Storing supplies69Replacing and recycling supplies69HP policy for non-HP supplies69Resetting the device for non-HP supplies69HP fraud hotline70Chapter contents71Introduction72Engine control system76Basic sequence of operation76Power-on sequence78Motors and fans79Laser/scanner system80Pickup and feed system81Optional tray 283Jam detection84Photosensors and switches85Solenoids and clutches87Printed circuit assemblies89Image-formation system91Image-formation process93Latent-image-formation stage94Step 1: primary charging94Step 2: laser-beam exposure94Developing stage95Step 3: auxiliary developing95Step 4: developing95Transfer stage96Step 5: primary transfer96Step 6: secondary transfer96Step 7: separation97Fusing stage98Step 8: fusing98Step 9: roller charging (auxiliary transfer belt cleaning roller)98Step 10: roller charging (transfer-belt cleaning roller)99Step 11: transfer belt cleaning99Step 12: drum cleaning100Print cartridge102Imaging-drum E-label103Scanner and ADF functions and operation104Scanner functions104Scanner operation104ADF operation105ADF paper path and ADF sensors105ADF jam detection106Fax functions and operation107PSTN operation107To receive faxes when you hear fax tones107The fax subsystem107Formatter in the fax subsystem108LIU in the fax subsystem108Safety isolation108Safety-protection circuitry108Data path109Hook state109Downstream current detection109Hook switch control109Ring detect110Line current control110Billing (metering) tone filters110Fax page storage in flash memory110Stored fax pages111Advantages of flash memory storage111Chapter contents113Removal and replacement strategy114Required tools114Screws114Electrostatic discharge115Before performing service116After performing service116Post-service tests116Test 1 (print-quality test)116Test 2 (copy-quality test)117Test 3 (fax-quality test)117Test 4 (memory-card test)117Parts removal order118User-replaceable parts119Replacing the print cartridges119Replacing the imaging drum121Replacing the ADF123Replacing the ADF pickup-roller assembly124Removing the ADF separation pad130Replacing the ADF scanner glass132Replacing the fuser assembly133Replacing the control-panel bezel134Replacing the tray 1 pickup roller and separation pad135Covers142Removing the left cover142Removing the right cover145Removing the right rear cover146Removing the scanning assembly148Removing the left rear cover153Removing the left upper cover153Removing the right upper cover155Replacing the memory-card assembly (HP Color LaserJet 2840 all-in-one only)157Removing the input/output (I/O) cover158Removing the back cover161Removing the top cover assembly162Removing the upper multipurpose cover165Removing the density sensor and top-of-page sensor167Removing the multipurpose roller cover168Removing the lower multipurpose cover169Main assemblies172Removing the control panel172Removing the left support assembly173Removing the right support assembly174Removing the laser/scanner assembly175Removing the transfer-roller plate177Removing the transfer roller178Removing the formatter assemblies180Removing the formatter cage180Removing the formatter and line interface unit (LIU)182Removing the E-label reader (for imaging-drum E-labels)185Removing the DC controller187Removing the top plate189Removing the gear assembly192Removing the waste-toner sensor195Removing the rotary-drive assembly196Removing the print-cartridge carousel199Aligning the carousel gears203Removing the registration-roller assembly204Removing the toner-catch tray204Removing the feed-drive shaft and belts205Removing the power supply cover plate214Removing the paper-top sensor218Removing the fuser-wrap sensor219Motors and fans222Removing the fuser motor222Removing the carousel-engagement motor223Removing the air duct and fan223Printed circuit assemblies (PCAs)225Removing the sub-high-voltage transformer PCA225Removing the high-voltage transformer PCA226Removing the low-voltage PCA226Trays229Removing tray 1 (multipurpose tray)229Removing optional tray 2 (250-sheet tray)230Removing the optional tray 2 pickup roller233Replacing the optional tray 2 separation pad235Support strategy238Troubleshooting process239Troubleshooting checklist239Control-panel messages244Alert and warning messages244Critical error messages253Clearing jams256Media jams occur in the device256Tips to avoid media jams256Where to look for jams256To clear a media jam inside the device257To clear output area jams258Media jams occur in the automatic document feeder (ADF)260To clear a media jam from the automatic document feeder (ADF)260Print problems263Print quality problems263Improving print quality263Understanding print-quality settings263To temporarily change print-quality settings263To change print-quality settings for all future jobs263Identifying and correcting print defects263Print-quality checklist264General print quality issues265Solving issues with color documents271Media-handling problems272Print-media guidelines272Solving print-media problems273Performance problems274Scan problems276Solving scanned image problems276Scan quality problems277Preventing problems277Solving scan-quality problems278Scan-specific error messages279Copy problems280Preventing problems280Image problems280Media-handling problems282Performance problems283Fax problems285Problems receiving faxes285Problems sending faxes287Voice call problems288Media-handling problems289Performance problems289Memory card problems291Missing or wrong files291Index page not printing291Proof sheet not printing292Proof sheet not scanning292Issues with photo printing293Functional tests295Engine test295Half self-test check296Heating element test296Cartridge high-voltage contact test299Paper-path test299Service-mode functions301NVRAM initialization301Secondary service menu301To print secondary service reports303Troubleshooting tools306Device pages and reports306Demo page306Configuration page306Supplies Status page306Usage page306Engine-test page307Error log307Fax reports307Fax activity log307Fax call report307T.30 protocol trace308HP Toolbox317To view HP Toolbox317Troubleshooting tab317Service menu318Restoring the factory-set defaults318Cleaning the paper path318Setting the scanner bulb power save time319Reducing paper curl319Service-only tools320Timing charts320Locations of connectors322DC controller connections325Printer calibration326Repetitive image defect ruler327Main wiring diagram328Updating or recovering the firmware code330Firmware update by using flash executable330Firmware-recovery DIMM330Chapter contents333Ordering parts and supplies334Parts334Related documentation and software334Supplies334Accessories335Accessories335Replacement kits337Automatic document feeder and scanner assembly339Assembly locations (1 of 2)342Assembly locations (2 of 2)344Covers346Internal assemblies350Printed circuit assemblies (PCAs)380Alphabetical parts list382Numerical parts list399Index417크기: 127킬로바이트페이지: 12Language: English매뉴얼 열기