Color LaserJet 2500 printer Service Manual This manual contains the necessary information to service the HP Color LaserJet 2500 printer Contents: 1 Product configurations Product specifications Media specifications Model and serial numbers Printer overview Front and left-side view Back and right-side view Warranty statements Hewlett-Packard limited warranty statement Limited warranty for the print cartridges and imaging drum Regulatory statements Declaration of Conformity Laser safety statement Canadian DOC statement VCCI statement (Japan) Korean EMI statement Finnish laser statement 2 Installation and operation Operating environment Interface ports Control panel features Understanding supplies status Understanding printer status Selecting media Input trays Supported print media Printer output paths Top output bin Rear output door Loading media Loading tray Loading optional tray Using the embedded Web server Information tab Settings tab Networking tab Other links Using printer status and alerts 3 Maintenance Life expectancies of supplies User-replaceable parts Replacing the pickup roller and separation pad Replacing the separation pad in tray 2 or in optional tray 3 Cleaning the printer Cleaning the engine Calibrating the printer Managing supplies Supplies life Checking and ordering supplies Storing supplies Replacing and recycling supplies HP policy on non-HP supplies HP fraud hotline 4 Theory of operation Introduction Engine control system Basic sequence of operation Power-on sequence Motors and fans Laser/scanner system Pickup and feed system Paper trays Jam detection Photosensors and switches Solenoid and clutches Printed circuit assemblies Image formation system Image formation process Latent image formation stage Developing stage Transfer stage Fusing stage Print cartridge Imaging-drum E-label 5 Removal and replacement Introduction Removal and replacement strategy Electrostatic discharge User-replaceable parts Required tools Before performing service Pre-service procedures Parts removal order Removal and replacement Imaging drum Print cartridges Jetdirect card Fuser cover (and fuser) Right- and left-side covers Control panel On-off switch Interface cover Formatter cage Formatter Fuser motor (J702) Dc controller Optional tray 2 (250-sheet tray) Carousel motor (J704) Front lower cover Back cover Top cover Top door Air duct and fan Laser/scanner assembly Front cover Density sensor and top-of-page sensor E-label reader (for imaging-drum E-labels) Tray 1 (multipurpose tray) Tray 1 separation pad assembly Gear assembly Waste-toner sensor Rotary-drive assembly Top plate Print-cartridge carousel Registration-roller assembly Toner-catch tray Transfer-roller plate Transfer roller Feed-drive shaft ECU pan Sub-high-voltage transformer PCA High-voltage transformer PCA Low-voltage PCA Paper-top sensor Fuser-wrap sensor 250-sheet feeder pickup roller 250-sheet feeder cover 250-sheet feeder PCA 500-sheet feeder pickup roller 500-sheet feeder cover 500-sheet feeder motor 6 Troubleshooting Basic troubleshooting Clearing jams Control panel light messages Supplies Status lights Printer Status lights Attention with Ability to Continue secondary messages Accessory error secondary messages Service error secondary messages Solving image-quality problems Solving image-quality problems (all print jobs) Solving image-quality problems (color print jobs) Resolving problems that generated messages Resolving problems that did not generate messages Solving general printing problems Solving PostScript (PS) errors Solving common Macintosh problems Rotating the print-cartridge carousel Functional checks Engine test Half self-test functional check Drum-rotation functional check Heating element check High-voltage power-supply check Paper-path check Service mode functions Cold reset NVRAM initializer Troubleshooting tools Demo page Configuration page Supplies Status page General timing charts Locations of connectors Dc controller connections Main wiring diagram Repetitive image defect ruler HP Color LaserJet 2500 Series Toolbox 7 Parts and diagrams Ordering parts and supplies Parts Related documentation and software Supplies Accessories How to use the parts lists and diagrams Assembly locations Printer (without optional trays) Covers Internal assemblies Front frame assembly Internal Components (1 of 2) Internal components (2 of 2) Main drive assembly Rear frame assembly Middle frame assembly Rotary (carousel) assembly Power-supply base assembly Fuser assembly Rotary-drive assembly PCA assemblies Optional tray 2 Covers for optional tray 2 Center frame assembly—optional tray 2 Media tray—optional tray 2 Right cover assembly—optional tray 2 Optional tray 3 Covers for optional tray 3 Internal components—optional tray 3 Feed drive assembly—optional tray 3 Media tray—optional tray 3 Alphabetical parts list Numerical parts list FORMAT: High resolution PDF document! ZIP archive: 11 558 kB
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