HP Color LaserJet Enterprise CP4025n, CP4025dn, CP4525n, CP4525xh, Service Manual & Parts List

Service Manual & Parts List HP Color LJ Enterprise CP4025n, CP4025dn, CP4525n, CP4525dn, CP4525xh;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your HP Color LJ Enterprise CP4025n, CP4025dn, CP4525n, CP4525dn, CP4525xh copier.
You can print, zoom or read any diagram, picture or page from this Service & Parts List Manual. Every chapter on this manual is fully detailed and contain all theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of HP Color LJ Enterprise CP4025n, CP4025dn, CP4525n, CP4525dn, CP4525xh photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. THEORY OF OPERATION
BASIC OPERATION
SEQUENCE OF OPERATION
ENGINE-CONTROL SYSTEM
DC CONTROLLER
SOLENOIDS
CLUTCHES
SWITCHES
SENSORS
MOTORS
FANS
HIGH-VOLTAGE POWER SUPPLY
LOW-VOLTAGE POWER SUPPLY
OVERCURRENT/OVERVOLTAGE PROTECTION
SAFETY
VOLTAGE DETECTION
SLEEP (POWERSAVE) MODE
LOW-VOLTAGE POWER SUPPLY FAILURE
FUSER CONTROL
FUSER TEMPERATURE CONTROL
FUSER SLEEVE TEMPERATURE PROTECTION
FAILURE DETECTION
FUSER UNIT IDENTIFICATION
FUSER UNIT LIFE DETECTION
LASER/SCANNER SYSTEM
LASER/SCANNER FAILURE
PROTECTIVE-GLASS CLEANERS
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 10: DRUM CLEANING
PRINT CARTRIDGE
DEVELOPING-ROLLER ENGAGEMENT AND DISENGAGEMENT
INTERMEDIATE TRANSFER BELT (ITB) UNIT
PRIMARY-TRANSFER-ROLLER ENGAGEMENT AND DISENGAGEMENT
ITB CLEANING
CALIBRATION
COLOR-MISREGISTRATION CONTROL
IMAGE-STABILIZATION CONTROL
PICKUP, FEED, AND DELIVERY SYSTEM
PICKUP-AND-FEED UNIT
CASSETTE PICKUP
CASSETTE-PRESENCE DETECTION
CASSETTE LIFT OPERATION AND CASSETTE PAPER-PRESENCE DETECTION
CASSETTE MULTIPLE-FEED PREVENTION
MULTIPURPOSE TRAY PICKUP
PAPER FEED
SKEW-FEED PREVENTION
PAPER DETECTION
FEED SPEED CONTROL
FUSING AND DELIVERY UNIT
LOOP CONTROL
PRESSURE-ROLLER PRESSURIZATION CONTROL
DUPLEXING UNIT (HP COLOR LASERJET CP4525DN, HP COLOR LASERJET CP4025DN, AND HP
COLOR LASERJET CP4525XH ONLY)
DUPLEXING REVERSE AND FEED CONTROL
DUPLEX PRINT OPERATION
JAM DETECTION
OPTIONAL PAPER FEEDER
MOTOR CONTROL
PAPER-FEEDER PICKUP AND FEED OPERATION
PAPER-SIZE DETECTION AND CASSETTE-PRESENCE DETECTION
PAPER-FEEDER CASSETTE LIFT OPERATION
PAPER FEEDER JAM DETECTION

2. REMOVAL AND REPLACEMENT
INTRODUCTION
REMOVAL AND REPLACEMENT STRATEGY
ELECTROSTATIC DISCHARGE
REQUIRED TOOLS
BEFORE PERFORMING SERVICE
AFTER PERFORMING SERVICE
POST-SERVICE TEST
PRINT-QUALITY TEST
PARTS REMOVAL ORDER
CUSTOMER SELF REPAIR (CSR) COMPONENTS
PRINT CARTRIDGES
TONER-COLLECTION UNIT
FORMATTER PCA
HARD DRIVE
REMOVE THE HARD DRIVE
MEMORY DIMM
REMOVE THE MEMORY DIMM
ENABLE MEMORY
TRAY
FUSER
FEED AND SEPARATION ROLLERS (TRAYS 2-5)
PICKUP ROLLER (TRAY 1)
SECONDARY TRANSFER ROLLER
REINSTALL THE TRANSFER ROLLER
INTERMEDIATE TRANSFER BELT (ITB)
EXTERNAL PANELS, COVERS, AND DOORS
IDENTIFICATION AND LOCATION
UPPER-LEFT COVER
POWER-SUPPLY COVER
LEFT COVER
REMOVE THE LEFT COVER
FRONT-TOP COVER
REMOVE THE FRONT-TOP COVER
REAR-TOP COVER
REMOVE THE REAR-TOP COVER
RIGHT-FRONT COVER
REMOVE THE RIGHT-FRONT COVER
REINSTALL THE POWER BUTTON
CONTROL-PANEL ASSEMBLY
REMOVE THE CONTROL-PANEL ASSEMBLY
FRONT-DOOR ASSEMBLY
REMOVE THE FRONT-DOOR ASSEMBLY
RIGHT-REAR COVER
REMOVE THE RIGHT-REAR COVER
REAR COVER
REMOVE THE REAR COVER
RIGHT-DOOR ASSEMBLY
INTERNAL ASSEMBLIES
CASSETTE FEED GUIDE
SECONDARY TRANSFER ASSEMBLY
REINSTALL THE SECONDARY TRANSFER ASSEMBLY
SEPARATION PAD (TRAY 1)
REMOVE THE SEPARATION PAD (TRAY 1)
REGISTRATION DENSITY (RD) SENSOR ASSEMBLY
REMOVE THE RD SENSOR ASSEMBLY
REGISTRATION ASSEMBLY
REMOVE THE REGISTRATION ASSEMBLY
RESIDUAL-TONER-FEED MOTOR
REMOVE THE RESIDUAL-TONER-FEED MOTOR
RESIDUAL-TONER DUCT AND FEED ASSEMBLY
REMOVE THE RESIDUAL-TONER DUCT AND FEED ASSEMBLY
CARTRIDGE FAN AND ENVIRONMENTAL SENSOR
REMOVE THE CARTRIDGE FAN AND ENVIRONMENTAL SENSOR
TONER-COLLECTION SENSOR AND SCANNER-THERMISTOR ASSEMBLY
REMOVE THE TONER-COLLECTION SENSOR AND SCANNER-THERMISTOR ASSEMBLY
DELIVERY FAN
REMOVE THE DELIVERY FAN
DELIVERY ASSEMBLY
REMOVE THE DELIVERY ASSEMBLY
REINSTALL THE DELIVERY ASSEMBLY
DUPLEX-DRIVE ASSEMBLY
REMOVE THE DUPLEX-DRIVE ASSEMBLY
POWER-SUPPLY FAN
REMOVE THE POWER-SUPPLY FAN
INTERCONNECT BOARD (ICB)
REMOVE THE ICB
DC CONTROLLER PCA ONLY
REMOVE THE DC CONTROLLER PCA ONLY
LOW-VOLTAGE POWER SUPPLY (LVPS)
REMOVE THE LOW-VOLTAGE POWER SUPPLY
DC CONTROLLER PCA AND TRAY
REMOVE THE DC CONTROLLER PCA AND TRAY
HIGH-VOLTAGE POWER SUPPLY LOWER (HVPS-D)
REMOVE THE HIGH-VOLTAGE POWER SUPPLY LOWER
REINSTALL THE HIGH-VOLTAGE POWER SUPPLY LOWER
DEVELOPING-DISENGAGEMENT MOTOR
REMOVE THE DEVELOPING-DISENGAGEMENT MOTOR
EXHAUST FAN AND FAN DUCT
REMOVE THE EXHAUST FAN AND FAN DUCT
REINSTALL THE EXHAUST FAN AND FAN DUCT
PICKUP MOTOR
REMOVE THE PICKUP MOTOR
LIFTER-DRIVE ASSEMBLY
REMOVE THE LIFTER-DRIVE ASSEMBLY
LIFTER BASE ASSEMBLY
REMOVE THE LIFTER BASE ASSEMBLY
REINSTALL THE LIFTER BASE ASSEMBLY
TRAY-PICKUP DRIVE ASSEMBLY
REMOVE THE TRAY-PICKUP DRIVE ASSEMBLY
TRAY-PICKUP ASSEMBLY
REMOVE THE TRAY-PICKUP ASSEMBLY
LASER/SCANNER ASSEMBLY (Y/M)
REMOVE THE LASER/SCANNER ASSEMBLY (Y/M)
LASER/SCANNER ASSEMBLY (C/BK)
REMOVE THE LASER/SCANNER ASSEMBLY (C/BK)
REINSTALL THE PROTECTIVE GLASS CLEANER (PGC) ACTUATORS
HIGH-VOLTAGE POWER SUPPLY UPPER (HVPS-T)
REMOVE THE HIGH-VOLTAGE POWER SUPPLY UPPER
REINSTALL THE HIGH-VOLTAGE POWER SUPPLY UPPER
YELLOW, MAGENTA, CYAN, AND BLACK DRUM MOTORS
REMOVE THE YELLOW, MAGENTA, CYAN, AND BLACK DRUM MOTORS
FUSER MOTOR
REMOVE THE FUSER MOTOR
ITB MOTOR
REMOVE THE ITB 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
OPTIONAL PAPER FEEDER ASSEMBLIES (1 X 500-SHEET AND 3 X 500-SHEET)
FRONT DOOR (OPTIONAL PAPER FEEDER)
REAR COVER (OPTIONAL PAPER FEEDER)
RIGHT-FRONT COVER (OPTIONAL PAPER FEEDER)
RIGHT DOOR (OPTIONAL PAPER FEEDER)
LEFT COVER (OPTIONAL PAPER FEEDER)
REMOVE THE LEFT COVER (OPTIONAL PAPER FEEDER)
RIGHT COVER (OPTIONAL PAPER FEEDER)
REMOVE THE RIGHT COVER (OPTIONAL PAPER FEEDER)
REAR-RIGHT COVER (OPTIONAL PAPER FEEDER)
REMOVE THE REAR-RIGHT COVER (OPTIONAL PAPER FEEDER)
PICKUP ASSEMBLY (OPTIONAL PAPER FEEDER)
REMOVE THE PICKUP ASSEMBLY (OPTIONAL PAPER FEEDER)
LIFTER ASSEMBLY (OPTIONAL PAPER FEEDER)
REMOVE THE LIFTER ASSEMBLY (OPTIONAL PAPER FEEDER)
LIFTER-DRIVE ASSEMBLY (OPTIONAL PAPER FEEDER)
REMOVE THE LIFTER-DRIVE ASSEMBLY (OPTIONAL PAPER FEEDER)
PICKUP MOTOR ASSEMBLY (OPTIONAL PAPER FEEDER)
REMOVE THE PICKUP MOTOR (OPTIONAL PAPER FEEDER) ASSEMBLY
CONTROLLER PCA (OPTIONAL PAPER FEEDER)
REMOVE THE CONTROLLER PCA (OPTIONAL PAPER FEEDER)

3. SOLVE PROBLEMS
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
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 DELIVERY SENSOR
E DUPLEX RE-PICKUP SENSOR
F OUTPUT BIN FULL SENSOR
I DEVELOPER ALIENATION
J FUSER PRESSURE-RELEASE SENSOR
K PRIMARY TRANSFER-ROLLER-DISENGAGEMENT SENSOR
L MEDIA SENSOR
M FRONT-DOOR SWITCH
N RIGHT-DOOR SWITCH
MANUAL SENSOR TEST 2 (SPECIAL-MODE TEST)
O TRAY 1 PAPER PRESENT SENSOR
P TRAY 2 PAPER PRESENT SENSOR
Q TRAY 2 PAPER SURFACE 1 AND 2 SENSORS
R TRAY 2 PAPER SIZE SWITCHES
S TRAY 3 PAPER PRESENT SENSOR
T TRAY 3 FEED SENSOR
U TRAY 3 PAPER SURFACE 1 AND 2 SENSORS
V TRAY 3 PAPER SIZE SWITCHES
W TRAY 4 PAPER PRESENT SENSOR
X TRAY 4 FEED SENSOR
Y TRAY 4 PAPER SURFACE 1 AND 2 SENSORS
Z TRAY 4 PAPER SIZE SWITCHES
A TRAY 5 PAPER PRESENT SENSOR
B TRAY 5 FEED SENSOR
C TRAY 5 PAPER SURFACE 1 AND 2 SENSORS
D TRAY 5 PAPER SIZE SWITCHES
5V LASER AND 24V INTERLOCK AND LOGIC SWITCHES (AND POWER SWITCH)
NEW ITB SENSOR
TRAY 3, 4, AND 5 RIGHT DOOR SWITCH
PAPER-PATH SENSORS TEST
PRINT/STOP TEST
COMPONENT TESTS
COMPONENT TEST (SPECIAL-MODE TEST)
DIAGRAMS
BLOCK DIAGRAMS
PLUG/JACK LOCATIONS
LOCATION OF CONNECTORS
DC CONTROLLER CONNECTOR LOCATIONS
CONTROLLER PCA (1 X 500-SHEET AND 3 X 500-SHEET OPTIONAL PAPER
FEEDERS)
LOCATIONS OF MAJOR COMPONENTS
GENERAL TIMING CHART
CIRCUIT DIAGRAMS
HP EASY PRINTER CARE
OPEN THE HP EASY PRINTER CARE SOFTWARE
HP EASY PRINTER CARE SOFTWARE SECTIONS
INTERNAL PRINT-QUALITY TEST PAGES
PRINT-QUALITY-TROUBLESHOOTING PAGES
DIAGNOSTICS PAGE
CLEANING PAGE
CONFIGURATION PAGE
CONFIGURATION PAGE
HP EMBEDDED JETDIRECT PAGE
EMBEDDED PROTOCOL PAGE
FINDING IMPORTANT INFORMATION ON THE CONFIGURATION PAGES
COLOR-BAND TEST
PRINT-QUALITY TROUBLESHOOTING TOOLS
REPETITIVE DEFECTS RULER
CALIBRATE THE PRODUCT
CONTROL PANEL MENUS
CONTROL PANEL MENUS
SHOW ME HOW MENU
RETRIEVE JOB MENU
INFORMATION MENU
PAPER HANDLING MENU
MANAGE SUPPLIES MENU
CONFIGURE DEVICE MENU
DIAGNOSTICS MENU
SERVICE MENU
INTERPRET CONTROL-PANEL MESSAGES
CONTROL-PANEL MESSAGE TYPES
CONTROL-PANEL MESSAGES
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 IN THE RIGHT DOOR
CLEAR JAMS IN THE OUTPUT BIN AREA
CLEAR JAMS IN TRAY 1
CLEAR JAMS IN TRAY 2 OR OPTIONAL TRAYS 3, 4, OR 5
CLEAR JAMS IN THE LOWER RIGHT DOOR (TRAY 3, 4, OR 5)
JAM CAUSES AND SOLUTIONS
JAMS IN THE OUTPUT BIN
JAMS IN THE FUSER AND TRANSFER AREA
JAMS IN THE DUPLEX AREA (HP COLOR LASERJET CP4525DN, HP COLOR LASERJET
CP4025DN, AND HP COLOR LASERJET CP4525XH ONLY)
JAMS IN TRAY 1, TRAY 2 AND INTERNAL PAPER PATH
JAMS IN TRAY 3, 4, AND 5
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, 3, 4, OR 5
TRANSPARENCIES OR GLOSSY PAPER WILL NOT FEED
ENVELOPES JAM OR WILL NOT FEED IN THE PRODUCT
PRODUCT WILL NOT DUPLEX OR DUPLEXES INCORRECTLY
USE MANUAL PRINT MODES
SOLVE IMAGE-QUALITY PROBLEMS
IMAGE DEFECTS TABLE
CLEAN THE PRODUCT
CLEAN THE PAPER PATH
SOLVE PERFORMANCE PROBLEMS
SOLVE CONNECTIVITY PROBLEMS
SOLVE DIRECT-CONNECT PROBLEMS
SOLVE NETWORK PROBLEMS
SERVICE MODE FUNCTIONS
SERVICE MENU
PRODUCT RESETS
RESTORE FACTORY-SET DEFAULTS
HARD DISK INITIALIZATION (OPTIONAL)
NVRAM INITIALIZATION
PRODUCT COLD RESET
PRODUCT UPDATES

4. PARTS AND DIAGRAMS
ORDER PARTS, ACCESSORIES, AND SUPPLIES
PART NUMBERS
ACCESSORIES
PRINT CARTRIDGES AND TONER COLLECTION UNIT
MEMORY
CABLES AND INTERFACES
CUSTOMER SELF REPAIR (CSR) PARTS
SERVICE MAINTENANCE KITS
UNIQUE COMPONENTS
SCREWS
HOW TO USE THE PARTS LISTS AND DIAGRAMS
EXTERNAL COVERS, PANELS, AND DOORS
RIGHT DOOR ASSEMBLY
FRONT DOOR ASSEMBLY
INTERNAL COMPONENTS
INTERNAL COMPONENTS (1 OF 7)
INTERNAL COMPONENTS (2 OF 7)
INTERNAL COMPONENTS (3 OF 7)
INTERNAL COMPONENTS (4 OF 7)
INTERNAL COMPONENTS (5 OF 7)
INTERNAL COMPONENTS (6 OF 7)
INTERNAL COMPONENTS (7 OF 7)
CASSETTES 2-5
PAPER PICKUP ASSEMBLY
TRAY 1 PAPER PICKUP ASSEMBLY
REGISTRATION ASSEMBLY
SECONDARY TRANSFER ASSEMBLY
DELIVERY ASSEMBLY
FUSER ASSEMBLY
PCAS
ASSESSORIES
PAPER FEEDERS
PAPER FEEDER EXTERNAL COVERS, PANELS, AND DOORS
1 X 500 PAPER FEEDER MAIN BODY
3 X 500 PAPER FEEDER MAIN BODY
ALPHABETICAL PARTS LIST
NUMERICAL PARTS LIST

APPENDIX A – Service and support
Hewlett-Packard limited warranty statement
HP’s Premium Protection Warranty: LaserJet print cartridge limited warranty statement
HP Color LaserJet Fuser Kit Limited Warranty Statement
End User License Agreement
Customer self-repair warranty service
Customer support

APPENDIX B – Product specifications
Physical specifications
Performance specifications
Electrical specifications
Acoustic specifications
Environmental specifications
Skew specifications

APPENDIX C – Regulatory information
FCC regulations
Environmental product stewardship program
Protecting the environment
Ozone production
Power consumption
Toner consumption
Paper use
Plastics
HP LaserJet print supplies
Return and recycling instructions
United States and Puerto Rico
Multiple returns (more than one cartridge)
Single returns
Shipping
Non-U.S. returns
Paper
Material restrictions
Disposal of waste equipment by users in private households in the European
Union
Chemical substances
Material Safety Data Sheet (MSDS)
For more information
Declaration of Conformity
Safety statements
Laser safety
Canadian DOC regulations
VCCI statement (Japan)
Power cord instructions
Power cord statement (Japan)
EMC statement (China)
EMC statement (Korea)
EMI statement (Taiwan)
Laser statement for Finland
GS statement (Germany)
Substances Table (China)
Restriction on Hazardous Substances statement (Turkey)
INDEX

Number of pages: 558.