Color LaserJet 5500 Printer Service Manual This manual contains the necessary information to service the HP Color LaserJet 5500 Printer Contents: 1 Printer Description Printer features Identification Model and serial numbers Power and regulatory information Site requirements Space requirements Electrical specifications Environmental specifications Supply storage requirements Printer specifications Printer assemblies Media requirements Selecting print media Media specifications Paper orientation Supported media weights and sizes Media specifications for 2-sided (duplex) printing Media to avoid Media that may cause damage to the printer Printing on special media Weight equivalence table Environmental product stewardship program Protecting the environment Regulatory statements FCC Regulations Safety information Laser safety statement Material Safety Data Sheet Toner safety Canadian DOC regulations EMI statement (Korea) VCCI statement (Japan) Laser statement for Finland Declaration of Conformity 2 Service approach Service approach Parts and supplies Ordering parts Ordering supplies Exchange program Supplies World Wide Web HP service parts information compact disc HP support assistant compact disc Customer care reseller sales and service support center Ordering related documentation and software Warranty statement Hewlett-Packard warranty statement Limited warranty for print cartridge life Transfer unit and fuser warranty HP maintenance agreements On-site service agreements 3 Installation and configuration Unpack the printer Unpacking the printer Installation Installing the paper trays Connecting power Installing the print cartridges Installing a new overlay (optional) Testing the printer operation Using PowerSave Connecting to a computer Parallel connections Network connections Enhanced I/O (EIO) configuration HP Jetdirect print servers Available enhanced I/O interfaces NetWare networks Windows and Windows NT networks AppleTalk networks UNIX/Linux networks Printer drivers Available drivers Additional drivers Network configuration Configuring the printer for the network Configuring Novell NetWare frame type parameters Setting network security on the printer Locking the control panel Using an ASCII PJL escape sequence to set network security 4 Printer maintenance Cleaning the printer and accessories Cleaning spilled toner Periodic cleaning Cleaning the static discharge comb Cleaning the OHT sensor Approximate replacement intervals for supply items ETB life under different circumstances Locating supplies Replacing supply items Changing print cartridges Replacing the transfer unit (ETB) Replacing the fuser Printer memory Installing memory and font DIMMs Installing an HP Jetdirect print server card 5 Theory of operation Basic operation Operation sequence Engine control system DC controller circuit Motors and fans Fuser power supply circuit Heater temperature control High-voltage power supply Low-voltage power supply Formatter system PowerSave Input/Output Printer memory DIMM slots PJL overview PML Control panel Laser/scanner system Scanner motor control Image formation system Image formation process Print cartridges Toner level detection Electrostatic transfer/transport belt (ETB) unit Electrostatic latent image formation block Development block Transfer block Fusing block Cleaning block Calibration and cleaning Color plane registration calibration Drum phase calibration Image stabilization control Pickup/feed system Pickup/feed unit Fuser/delivery unit Duplex feed unit 500-sheet paper feeder Pickup and feed operations 6 Removal and replacement Introduction Removal and replacement strategy Repair notices Caution regarding electrostatic discharge (ESD) Required tools Types of screws Supplies Print cartridges and ETB Covers and external components Rear cover Top cover Rear top cover Left cover Right cover Multi-purpose tray (Tray 1) Front cover Control panel Cassette cover Internal components (front) Paper pickup unit Cassette sensor PCB Multi-purpose tray sensor PCB Paper pickup drive unit Lifter drive unit Cassette (Tray 2) paper pickup and feed rollers Solenoid and clutch Cassette separation roller Multi-purpose tray pickup roller Multi-purpose tray separation pad Color registration detection unit Internal components (left side) DC controller shield Memory tag antenna PCBs Developing disengaging drive unit Drum drive units E-label memory controller PCB DC controller PCB Cassette paper size detection switches Power supply fan Internal components (rear) Formatter Low-voltage power supply Formatter case Laser/scanner units Internal components (right side) High-voltage power supply PCB Toner level detection PCB High-voltage contact blocks Door switch Internal components (top) Discharging PCB Fuser power supply PCB Fuser drive unit Fuser inlet paper sensor Fuser delivery sensor and output bin full sensor Static discharge comb Formatter fan ENWW ix Cartridge fan Optional 500-sheet paper feeder Paper feeder left cover Paper feeder right cover Paper feeder pickup and feed rollers Paper feeder separation roller Paper feeder pickup unit Paper feeder lifter drive unit Paper feeder length and width detection switches Paper feeder pickup clutch Paper feeder PCB 7 Troubleshooting Chapter contents Introduction Troubleshooting process Pre-troubleshooting checklist Troubleshooting flowchart Troubleshooting power-on Printer error troubleshooting Status messages Warning messages Error messages Critical error messages Alphabetical printer messages Numerical printer messages Paper path troubleshooting Jams Jam locations Jam locations by error message Paper jam recovery Avoiding paper jams Persistent jams Paper transport troubleshooting Multiple pages are fed Paper is wrinkled or folded Paper is skewed Image formation troubleshooting Print quality problems associated with media Overhead transparency defects Print quality problems associated with the environment Print quality problems associated with jams Print quality troubleshooting pages Understanding color variations Color selection process Matching colors Using color Color options Adjusting color balance Image defects Repetitive defects troubleshooting Interface troubleshooting Communications checks EIO troubleshooting AUTOEXEC.BAT standard configurations Printer Job Language (PJL) commands Control panel troubleshooting Printing a menu map Information menu Paper handling menu Configure device menu Diagnostics menu Service menu Tools for troubleshooting Embedded Web server To access the embedded Web server Printer Status and Alerts software Printer configuration page Supplies status page Usage page Event log Diagnostics Diagnostics flowchart Engine diagnostics Individual diagnostic tests Test pages Engine test page Formatter test page Engine resets Cold reset NVRAM initialization Hard disk initialization Calibration bypass Calibrate Now Service menu Accessing the Service menu Diagrams Main parts Switches Sensors Solenoid and clutch Motors and fans PCBs DC controller PCB Connectors 500-sheet paper feeder connectors General circuit diagram 500-sheet paper feeder circuit diagram 8 Parts and diagrams Chapter contents Introduction Ordering parts Supplies and accessories Common fasteners Illustrations and parts lists (printer) Illustrations and parts lists (500-sheet paper feeder) Alphabetical parts list Numerical parts list FORMAT: High resolution PDF document! 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