LaserJet 2300 printer Service Manual This manual contains the necessary information to service the HP LaserJet 2300 Series printer Contents: 1 Product description Printer configurations Printer features Identification Specifications Physical specifications Electrical specifications Power consumption Acoustic emissions Operating environment Product overview Safety information Print-cartridge and toner safety Laser safety Regulatory information FCC regulations Declaration of conformity Environmental product stewardship program Protecting the environment Material safety data sheet HP Printing Supplies Environmental Program information Service approach Bench-repair warranty HP Express Exchange Information about ordering World Wide Web HP service parts-information compact disc HP support-assistant compact disc Reseller sales and service support 2 Installation Site requirements Operating environment Printer space requirements Interface ports Media specifications General media specifications Media input options Tray 1 media sizes Optional 250-sheet tray (tray 2 or tray 3) paper sizes Optional 500-sheet tray (tray 3) paper sizes Paper sizes for automatic duplexing Guidelines for selecting paper Envelope specifications Label specifications Transparency specifications Storing print media Shipping print media Paper fillers Testing media specifications Tools and suppliers 3 Operation Control panel Control-panel layout Changing control-panel settings Printing control-panel menus Control-panel menus—user Retrieve job menu Information menu Paper-handling menu Configure device menu Diagnostics menu Control-panel menus—service Entering service mode 4 Printer maintenance Periodic inspection of parts Cleaning the printer Cleaning the fuser Cleaning the outside of the printer Managing the print cartridge HP print cartridges Non-HP print cartridges Print-cartridge authentication Print-cartridge storage Print-cartridge life expectancy Checking the supply level Cartridge-low and cartridge-out conditions Supplies status page 5 Theory of operation Introduction Basic sequence of operation Power-on sequence Engine control system Laser/scanner system Image-formation system Image-formation process Electrostatic latent-image-formation block Developing block Transfer block Fusing block Drum-cleaning block Pickup/feed system Single-sided printing Duplex printing Delivery Automatic duplexer Formatter system Formatter hardware Formatter subsystem Sheet feeders Media detection Media-size detection Jam detection Pickup sensors Delivery sensors Reversing sensors Automatic duplexer sensors Paper-feed sensor 6 Removal and replacement Removal and replacement strategies Required tools Before you begin Covers I/O cover Print server DIMM cover Rear cover Front cover Control panel Top-cover assembly Left-side cover Power switch Tray 1 assembly Internal assemblies Tray 1 pickup roller Pickup sensor flag Tray 1 separation pad Tray 2 pickup roller Tray 2 and 250-sheet feeder separation pad Fan Fuser Laser/scanner Laser/scanner plate E-label reader Formatter Drive assembly Main motor Flat, flexible cable Engine controller PCA Solenoid Access plate Power supply Top-output-bin delivery assembly Registration-roller assembly Transfer roller Feed belts Trays 250-sheet feeder and 500-sheet feeder pickup roller 500-sheet feeder separation pad 7 Troubleshooting Troubleshooting process Preliminary operating checks Basic fault isolation Troubleshooting process flow Power-on Troubleshooting with control-panel messages Using the printer online Help system Resolving persistent messages Troubleshooting the control-panel display Interpreting control-panel messages Media-handling problems Printing a configuration page Printing a Jetdirect configuration page Printing a usage page Printing a supplies status page Printing an engine test Jam troubleshooting Jam causes Typical jam locations Image-formation troubleshooting Check the print cartridge EconoMode Image defects unique to the HP LaserJet 2300 series printers Image-defect tables Media troubleshooting Determine the problem source: print media or printer Isolate a paper path Isolate a media brand Isolate a media type Evaluate media use practices Evaluate environmental conditions Communication troubleshooting Communications check Test message EIO troubleshooting Troubleshooting tools Repetitive defect ruler Half-self-test functional check Performing a self test Performing a paper path test Drum-rotation functional check Resetting the printer Setting the language Reference diagrams 8 Parts and diagrams Ordering parts and supplies and getting support Parts Support Consumables, accessories, and supplies Common fasteners Illustrations and parts lists Assembly locations Covers Covers and panels Top cover assembly Internal components Internal components (1 of 4) Internal components (2 of 4) Internal components (3 of 4) Internal components (4 of 4) Power-supply assembly Pickup assembly Engine controller PCA locations Trays 250-sheet feeder 500-sheet feeder Alphabetical parts list Numerical parts list FORMAT: High resolution PDF document! 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