Hp cp3525 service manual download pdf

Clean spilled toner Clean the fuser Product updates Determine the current firmware version Download new firmware from the HP Web site Transfer the new firmware to the product Use FTP to upload the firmware through a browser Use FTP to upgrade the firmware on a network connection Use HP Web Jetadmin to upgrade the firmware Use Microsoft Windows commands to upgrade the firmware Upgrade the HP Jetdirect firmware Basic operation Sequence of operation Engine-control system DC controller Motors and fans High-voltage power supply Low-voltage power supply Voltage detection Sleep powersave mode Low-voltage power supply failure Fuser fixing control Fuser fixing temperature-control circuit Fuser fixing over-temperature protection Fuser fixing -failure detection Image-formation system Image-formation process Step 1: Pre-exposure Step 2: Primary charging Step 3: Laser-beam exposure Step 4: Development Step 5: Primary transfer Step 6: Secondary transfer Step 7: Separation Step 8: Fusing Step 9: ITB cleaning Step Drum cleaning Print cartridge Developing-roller engagement and disengagement Intermediate transfer belt ITB unit Primary-transfer-roller engagement and disengagement ITB cleaning Color-misregistration control Image-stabilization control Pickup, feed, and delivery system Pickup-and-feed unit Cassette pickup Cassette-presence detection Cassette lift operation Cassette paper-presence detection Multifeed prevention Multipurpose tray pickup Paper feed Skew-feed prevention OHT detection Fusing and delivery unit Loop control Pressure-roller pressurization control Duplexing reverse and feed control Duplex pickup operation Jam detection Optional paper feeder Paper-feeder pickup and feed operation Paper-size detection and cassette-presence detection Paper-feeder cassette lift operation Paper-feeder presence detection Paper-feeder multiple feed prevention Paper feeder jam detection Removal and replacement strategy Electrostatic discharge Required tools Before performing service After performing service Post-service test Print-quality test DC controller connector locations Parts removal order Customer self repair CSR components Print cartridges Duplex-reverse guide Toner-collection unit Formatter PCA Memory DIMM Remove the memory DIMM Tray cassette Pickup roller Tray Pickup and feed rollers Tray Separation roller Tray Secondary transfer roller Reinstall the transfer roller Secondary transfer assembly Reinstall the secondary transfer assembly Intermediate transfer belt ITB Right door optional paper feeder External panels, covers, and doors Identification and location Front-door assembly Right-door assembly Right-rear cover Left cover Control-panel assembly Right-front cover Remove the right-front cover Reinstall the power button Front-top cover Remove the front-top cover Rear cover and upper-rear cover Remove the rear cover and upper-rear cover Rear-top cover Remove the rear-top cover Internal assemblies Delivery fan, cartridge fan, and environmental sensor Remove the delivery fan, cartridge fan, and environmental sensor Toner-collection sensor Remove the toner-collection sensor Residual-toner-feed motor Remove the residual-toner-feed motor Reinstall the residual-toner collection door Registration density RD sensor assembly Remove the RD sensor assembly Power-supply fan and fan duct Remove the power-supply fan and fan duct Registration assembly Remove the registration assembly Interconnect board ICB Remove the ICB DC controller PCA and tray Remove the low-voltage power supply Remove the high-voltage power supply lower Developing-disengagement motor Remove the developing-disengagement motor Pickup motor Remove the pickup motor Lifter-drive assembly Remove the lifter-drive assembly Cassette-pickup drive assembly Remove the cassette-pickup drive assembly Cassette-pickup assembly Remove the cassette-pickup assembly Remove the high-voltage power supply upper Drum motor Remove the drum motor Drum motor 2 or drum motor Remove the drum motor 2 or drum motor Fuser motor Remove the fuser motor Main-drive assembly Remove the main-drive assembly Reinstall the main-drive assembly Fuser-drive assembly Remove the fuser-drive assembly Reinstall the fuser-drive assembly Delivery assembly Remove the delivery assembly Reinstall the delivery assembly Duplex-drive assembly Remove the duplex-drive assembly Optional paper feeder assembly Tray Drawer connector Solve problems checklist Menu map Troubleshooting process Determine the problem source Pre-troubleshooting checklist Troubleshooting flowchart Power subsystem Power-on checks Power-on troubleshooting overview Tools for troubleshooting Individual component diagnostics LED diagnostics Understand lights on the formatter Engine diagnostics Diagnostics mode Defeating interlocks Disable cartridge check Engine-test button Paper-path test Manual sensor test special-mode test A TOP top of page sensor B and C loop sensors D fuser fixing delivery sensor E duplex re-pickup sensor F output bin full sensor H fuser fixing pressure-release sensor K right and front door interlock switches Manual sensor test 2 special-mode test L Tray 1 media present sensor M Tray 2 paper out sensor N Tray 2 closed sensor O Tray 2 stack-surface sensor P optional Tray 3-empty sensor Paper-path sensors test Component tests Component test special-mode test Location of connectors DC controller PCA Paper feeder driver PCA PCAs, motors, fans, switches, solenoids, and clutches Base product General timing chart Circuit diagrams Print-quality troubleshooting tools Repetitive defects ruler Calibrate the product Internal print-quality test pages Print-quality-troubleshooting pages Diagnostics page Cleaning page Configuration page HP embedded Jetdirect page Embedded protocol page Color-band test Control-panel messages table Event log messages Print an event log Show an event log Sample event log Clear the event log Event log message table Clear paper jams Common causes of jams Jam locations Clear jams Clear jams in the right door Clear jams in the output bin area Clear jams in Tray Clear jams in the lower right door Tray Jam causes and solutions Jams in the output bin Jams in the fuser and transfer area Color LaserJet CPx only Jams in Tray Change jam recovery Solve paper-handling problems Product feeds multiple sheets Product feeds incorrect page size Product pulls from incorrect tray Paper does not feed automatically Paper does not feed from Tray 2 or Transparencies or glossy paper will not feed Envelopes jam or will not feed in the product Output is curled or wrinkled Product will not duplex or duplexes incorrectly Use manual print modes Solve image-quality problems Image defects table Solve performance problems Solve connectivity problems Solve direct-connect problems Solve network problems Service mode functions Product resets Restore factory-set defaults Hard disk initialization optional NVRAM initialization Product cold reset Order parts, accessories, and supplies Part numbers Print cartridges and toner collection unit Cables and interfaces Customer self repair CSR parts Maintenance kits How to use the parts lists and diagrams External covers, panels, and doors Right door assembly Internal components Internal components 1 of Internal components 2 of Internal components 3 of Internal components 4 of Internal components 5 of Cassette paper pickup assembly MP paper pickup assembly Fusing fixing assembly Paper feeder main body Alphabetical parts list Numerical parts list Hewlett-Packard limited warranty statement End User License Agreement Customer self-repair warranty service Customer support Physical specifications Performance specifications Electrical specifications Acoustic specifications Environmental specifications Paper and print media specifications Skew specifications FCC regulations Declaration of Conformity Certificate of volatility Safety statements Laser safety Canadian DOC regulations VCCI statement Japan Power cord statement Japan EMC statement Korea Laser statement for Finland Substances Table China Table Supported paper and print media sizes Table Sequence of operation Table High-voltage power supply circuits Table Converted DC voltages Table Fuser fixing components Table Primary-transfer-roller engagement states Image-stabilization controls Table Switches and sensors for the pickup, feed, and delivery system Table Motors and solenoids for the pickup, feed, and delivery system Table Jams that the product detects Table Electrical components for the paper feeder Table DC controller connectors Table Manual sensor diagnostic tests Table Manual sensor test 2 diagnostic tests Table Paper-path sensors diagnostic tests Table Component test details Table Paper feeder driver PCA connectors Table PCAs, motors, fans, switches, solenoids, and clutches Table Important information on the configuration pages Control-panel messages Table Causes and solutions for delivery delay jam Table Causes and solutions for fuser delivery delay jams Table Causes and solutions for wrapping jams Table Causes and solutions for fuser delivery stationary jams Table Causes and solutions for residual media jams Table Causes and solutions for pickup delay jams Table Causes and solutions for pickup stationary jams Table Causes and solutions for duplexing reverse jams Table Causes and solutions for duplex repick jams Table Causes and solutions for pickup delay jam 1: tray pickup Table Causes and solutions for pickup delay jam 1; MP tray pickup Table Causes and solutions for pickup delay and pickup stationary jams Common fasteners Table External covers, panels, and doors; Table Right door assembly Table Internal components 1 of Table Internal components 2 of Table Internal components 3 of Table Internal components 4 of Table Internal components 5 of Table Cassette paper pickup assembly Table MP paper pickup assembly Table Secondary Transfer assembly Fusing assembly Table 1 x paper feeder Table Paper feeder main body Table Numerical parts list Product dimensions Table B-2 Product dimensions, with all doors and trays fully opened Power requirements Table B-4 Power consumption average, in watts Table B-6 Media registration and image placement accuracy Figure Slot for the security cable Figure Supply item locations Figure Relationship between the main product systems Figure DC controller block diagram Figure High-voltage power supply circuits Figure Low-voltage power-supply circuit Figure Fuser fixing components Figure Fuser temperature-control circuit Primary charging Laser-beam exposure Primary transfer Secondary transfer Drum cleaning Print-cartridge system Figure Developing-roller engagement and disengagement control ITB unit Figure Three states of primary-transfer-roller engagement and disengagement Figure ITB cleaning process Figure Toner patterns for calibration Figure Switches and sensors for the pickup, feed, and delivery system Figure Motors and solenoids for the pickup, feed, and delivery system Figure Three main units of the pickup, feed, and delivery system Cassette-pickup mechanism Figure Cassette presence sensor Figure Cassette lift mechanism Paper-level-detection mechanism Figure Multipurpose tray pickup mechanism Paper-feed mechanism Figure Fuser and delivery unit Loop-control mechanism Figure Pressure-roller pressurization control Duplexing unit Figure Jam detection sensors Figure Optional paper feeder Figure Signals for the paper feeder Figure Paper-feeder pickup and feed operation Figure Paper size detection Figure Paper-feeder cassette lift Figure Paper-feeder multiple feed prevention Figure Phillips and pozidrive screwdriver comparison Figure DC controller connector locations Figure Parts removal order 1 of Figure Parts removal order 2 of Figure Remove the print cartridge 1 of Figure Remove the print cartridge 2 of Figure Remove the duplex-reverse guide 1 of Figure Remove the duplex-reverse guide 2 of Figure Remove the toner-collection unit 1 of Figure Remove the toner-collection unit 2 of Figure Remove the toner-collection unit 3 of Figure Remove the toner-collection unit 4 of Figure Remove the formatter Figure Remove the tray cassette 1 of Figure Remove the tray cassette 2 of Figure Remove the fuser 1 of Figure Remove the fuser 2 of Figure Remove the pickup roller Tray 2 1 of Figure Remove the pickup roller Tray 2 2 of Figure Remove the pickup roller Tray 2 3 of Figure Remove the pickup roller Tray 2 4 of Figure Remove the Pickup and feed rollers Tray 3 1 of Figure Remove the Pickup and feed rollers Tray 3 2 of Figure Remove the separation roller Tray Figure Remove the transfer roller 1 of Figure Remove the transfer roller 2 of Figure Remove the transfer roller 3 of Figure Reinstall the transfer roller Figure Remove the secondary transfer assembly 1 of Figure Remove the secondary transfer assembly 2 of Figure Reinstall the secondary transfer assembly Figure Remove the intermediate transfer belt 1 of Figure Remove the intermediate transfer belt 2 of Figure Remove the intermediate transfer belt 3 of Figure Remove the right door; optional paper feeder 1 of Figure Remove the right door; optional paper feeder 2 of Figure Remove the right door; optional paper feeder 3 of Figure External panels, covers, and doors; identification and location Figure Remove the front-door assembly 1 of Figure Remove the front-door assembly 2 of Figure Remove the right-door assembly 1 of Figure Remove the right-door assembly 2 of Figure Remove the right-door assembly 3 of Figure Remove the right-door assembly 4 of Figure Remove the right-door assembly 5 of Figure Remove the right-door assembly 6 of Figure Remove the right-door assembly 7 of Figure Remove the right-door assembly 8 of Figure Remove the right-rear cover 1 of Figure Remove the right-rear cover 2 of Figure Remove the right-rear cover 3 of Figure Remove the left cover 1 of Figure Remove the left cover 2 of Figure Remove the left cover 3 of Figure Remove the left cover 4 of Figure Remove the left cover 5 of Figure Remove the control-panel assembly 1 of Figure Remove the control-panel assembly 2 of Figure Remove the control-panel assembly 3 of Figure Remove the control-panel assembly 4 of Figure Remove the right-front cover 1 of Figure Remove the right-front cover 2 of Figure Remove the right-front cover 3 of Figure Remove the right-front cover 4 of Figure Remove the right-front cover 5 of Figure Reinstall the power button Figure Remove the front-top cover 1 of Figure Remove the front-top cover 2 of Figure Remove the rear cover and upper-rear cover 1 of Figure Remove the rear cover and upper-rear cover 2 of Figure Remove the rear cover and upper-rear cover 3 of Figure Remove the rear cover and upper-rear cover 4 of Figure Remove the rear-top cover 1 of Figure Remove the rear-top cover 2 of Figure Remove the pickup roller Tray 1 1 of Serial number:.

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