Service Manual HP Color LaserJet 2820, LaserJet 2830, LaserJet 2840;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your HP Color LaserJet 2820, LaserJet 2830, LaserJet 2840.
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 the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of HP Color LaserJet 2820, LaserJet 2830, LaserJet 2840 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
1. PRODUCT INFORMATION
CHAPTER CONTENTS
DEVICE CONFIGURATIONS
HP COLOR LASERJET 2820 ALL-IN-ONE
HP COLOR LASERJET 2830 ALL-IN-ONE
HP COLOR LASERJET 2840 ALL-IN-ONE
DEVICE FEATURES
DEVICE PARTS
FRONT VIEW
BACK VIEW
MODEL AND SERIAL NUMBERS
SOFTWARE COMPONENTS
SYSTEM REQUIREMENTS
SOFTWARE AND SUPPORTED OPERATING SYSTEMS
SOFTWARE TIPS
GAINING ACCESS TO THE DEVICE FEATURES
OBTAINING THE LATEST PRINTING SOFTWARE
OTHER PRINT SYSTEM SOFTWARE
SOFTWARE FOR WINDOWS
PRINTER DRIVERS
USING HELP
SOFTWARE FOR MACINTOSH
HP DIRECTOR
PPDS (MAC OS 9.2.2)
PDES (MAC OS 10.2 AND 10.3)
HP TOOLBOX
EMBEDDED WEB SERVER (EWS)
SOFTWARE INSTALLATION
TYPICAL INSTALLATION
MINIMUM INSTALLATION
UNINSTALLING THE PRINTING SOFTWARE
USING ADD OR REMOVE PROGRAMS TO UNINSTALL
UNINSTALLING SOFTWARE FOR MACINTOSH
SPECIFICATIONS
MEDIA SPECIFICATIONS
SUPPORTED MEDIA WEIGHTS AND SIZES
GENERAL GUIDELINES
PAPER AND PRINT MEDIA
SPECIAL MEDIA PRINT SPEEDS
PRINTING AND STORAGE ENVIRONMENT
ENVELOPES
ENVELOPE STORAGE
ENVELOPE CONSTRUCTION
ENVELOPES WITH DOUBLE SIDE-SEAMS
ENVELOPES WITH ADHESIVE STRIPS OR FLAPS
LABELS
TRANSPARENCIES
HEWLETT-PACKARD LIMITED WARRANTY STATEMENT
PRINT CARTRIDGE AND IMAGING DRUM LIMITED WARRANTY STATEMENT
PRINT-CARTRIDGE INFORMATION
REFILLED PRINT CARTRIDGES
HP LASERJET PRINTING SUPPLIES
HP PRINTING SUPPLIES RETURNS AND RECYCLING PROGRAM INFORMATION
REGULATORY STATEMENTS
FCC REQUIREMENTS (UNITED STATES)
TELEPHONE CONSUMER PROTECTION ACT (UNITED STATES)
EU STATEMENT FOR TELECOM OPERATION
NEW ZEALAND TELECOM STATEMENTS
IC CS-03 REQUIREMENTS
DECLARATIONS OF CONFORMITY
DECLARATION OF CONFORMITY
DECLARATION OF CONFORMITY
COUNTRY-/REGION-SPECIFIC SAFETY STATEMENTS
LASER SAFETY STATEMENT
CANADIAN DOC STATEMENT
KOREAN EMI STATEMENT
FINNISH LASER STATEMENT
2. INSTALLATION AND OPERATION
CHAPTER CONTENTS
OPERATING ENVIRONMENT
INTERFACE PORTS
CONTROL-PANEL FEATURES
INPUT TRAYS
OUTPUT PATHS
TOP OUTPUT BIN
REAR OUTPUT BIN
LOADING MEDIA
LOADING TRAY 1
LOADING OPTIONAL TRAY 2
LOADING DOCUMENTS TO SCAN
HP TOOLBOX
VIEWING HP TOOLBOX
STATUS TAB
FAX TAB
SCAN TO TAB
TROUBLESHOOTING TAB
DOCUMENTATION TAB
DEVICE SETTINGS PAGES
SYSTEM SETTINGS TAB
PRINT SETTINGS TAB
FAX SETTINGS TAB
COPY SETTINGS TAB
NETWORK SETTINGS TAB
HP TOOLBOX LINKS
OTHER LINKS
EMBEDDED WEB SERVER
FEATURES
3. MAINTENANCE
CHAPTER CONTENTS
LIFE EXPECTANCIES OF COMPONENTS
CLEANING THE DEVICE
CLEANING THE DEVICE EXTERIOR AND SCANNER
CLEANING THE PAPER PATH
MANAGING SUPPLIES
SUPPLIES LIFE
CHECKING AND ORDERING SUPPLIES
TO CHECK STATUS AND ORDER SUPPLIES USING THE CONTROL PANEL
TO CHECK STATUS AND ORDER SUPPLIES USING THE HP TOOLBOX
STORING SUPPLIES
REPLACING AND RECYCLING SUPPLIES
HP POLICY FOR NON-HP SUPPLIES
RESETTING THE DEVICE FOR NON-HP SUPPLIES
HP FRAUD HOTLINE
4. THEORY OF OPERATION
CHAPTER CONTENTS
INTRODUCTION
ENGINE CONTROL SYSTEM
BASIC SEQUENCE OF OPERATION
POWER-ON SEQUENCE
MOTORS AND FANS
LASER/SCANNER SYSTEM
PICKUP AND FEED SYSTEM
OPTIONAL TRAY 2
JAM DETECTION
PHOTOSENSORS AND SWITCHES
SOLENOIDS AND CLUTCHES
PRINTED CIRCUIT ASSEMBLIES
IMAGE-FORMATION SYSTEM
IMAGE-FORMATION PROCESS
LATENT-IMAGE-FORMATION STAGE
STEP 1: PRIMARY CHARGING
STEP 2: LASER-BEAM EXPOSURE
DEVELOPING STAGE
STEP 3: AUXILIARY DEVELOPING
STEP 4: DEVELOPING
TRANSFER STAGE
STEP 5: PRIMARY TRANSFER
STEP 6: SECONDARY TRANSFER
STEP 7: SEPARATION
FUSING STAGE
STEP 8: FUSING
STEP 9: ROLLER CHARGING (AUXILIARY TRANSFER BELT CLEANING ROLLER)
STEP 10: ROLLER CHARGING (TRANSFER-BELT CLEANING ROLLER)
STEP 11: TRANSFER BELT CLEANING
STEP 12: DRUM CLEANING
PRINT CARTRIDGE
IMAGING-DRUM E-LABEL
SCANNER AND ADF FUNCTIONS AND OPERATION
SCANNER FUNCTIONS
SCANNER OPERATION
ADF OPERATION
ADF PAPER PATH AND ADF SENSORS
ADF JAM DETECTION
FAX FUNCTIONS AND OPERATION
PSTN OPERATION
TO RECEIVE FAXES WHEN YOU HEAR FAX TONES
THE FAX SUBSYSTEM
FORMATTER IN THE FAX SUBSYSTEM
LIU IN THE FAX SUBSYSTEM
SAFETY ISOLATION
SAFETY-PROTECTION CIRCUITRY
DATA PATH
HOOK STATE
DOWNSTREAM CURRENT DETECTION
HOOK SWITCH CONTROL
RING DETECT
LINE CURRENT CONTROL
BILLING (METERING) TONE FILTERS
FAX PAGE STORAGE IN FLASH MEMORY
STORED FAX PAGES
ADVANTAGES OF FLASH MEMORY STORAGE
5. REMOVAL AND REPLACEMENT
CHAPTER CONTENTS
REMOVAL AND REPLACEMENT STRATEGY
REQUIRED TOOLS
SCREWS
ELECTROSTATIC DISCHARGE
BEFORE PERFORMING SERVICE
AFTER PERFORMING SERVICE
POST-SERVICE TESTS
TEST 1 (PRINT-QUALITY TEST)
TEST 2 (COPY-QUALITY TEST)
TEST 3 (FAX-QUALITY TEST)
TEST 4 (MEMORY-CARD TEST)
PARTS REMOVAL ORDER
USER-REPLACEABLE PARTS
REPLACING THE PRINT CARTRIDGES
REPLACING THE IMAGING DRUM
REPLACING THE ADF
REPLACING THE ADF PICKUP-ROLLER ASSEMBLY
REMOVING THE ADF SEPARATION PAD
REPLACING THE ADF SCANNER GLASS
REPLACING THE FUSER ASSEMBLY
REPLACING THE CONTROL-PANEL BEZEL
REPLACING THE TRAY 1 PICKUP ROLLER AND SEPARATION PAD
COVERS
REMOVING THE LEFT COVER
REMOVING THE RIGHT COVER
REMOVING THE RIGHT REAR COVER
REMOVING THE SCANNING ASSEMBLY
REMOVING THE LEFT REAR COVER
REMOVING THE LEFT UPPER COVER
REMOVING THE RIGHT UPPER COVER
REPLACING THE MEMORY-CARD ASSEMBLY (HP COLOR LASERJET 2840 ALL-IN-ONE ONLY)
REMOVING THE INPUT/OUTPUT (I/O) COVER
REMOVING THE BACK COVER
REMOVING THE TOP COVER ASSEMBLY
REMOVING THE UPPER MULTIPURPOSE COVER
REMOVING THE DENSITY SENSOR AND TOP-OF-PAGE SENSOR
REMOVING THE MULTIPURPOSE ROLLER COVER
REMOVING THE LOWER MULTIPURPOSE COVER
MAIN ASSEMBLIES
REMOVING THE CONTROL PANEL
REMOVING THE LEFT SUPPORT ASSEMBLY
REMOVING THE RIGHT SUPPORT ASSEMBLY
REMOVING THE LASER/SCANNER ASSEMBLY
REMOVING THE TRANSFER-ROLLER PLATE
REMOVING THE TRANSFER ROLLER
REMOVING THE FORMATTER ASSEMBLIES
REMOVING THE FORMATTER CAGE
REMOVING THE FORMATTER AND LINE INTERFACE UNIT (LIU)
REMOVING THE E-LABEL READER (FOR IMAGING-DRUM E-LABELS)
REMOVING THE DC CONTROLLER
REMOVING THE TOP PLATE
REMOVING THE GEAR ASSEMBLY
REMOVING THE WASTE-TONER SENSOR
REMOVING THE ROTARY-DRIVE ASSEMBLY
REMOVING THE PRINT-CARTRIDGE CAROUSEL
ALIGNING THE CAROUSEL GEARS
REMOVING THE REGISTRATION-ROLLER ASSEMBLY
REMOVING THE TONER-CATCH TRAY
REMOVING THE FEED-DRIVE SHAFT AND BELTS
REMOVING THE POWER SUPPLY COVER PLATE
REMOVING THE PAPER-TOP SENSOR
REMOVING THE FUSER-WRAP SENSOR
MOTORS AND FANS
REMOVING THE FUSER MOTOR
REMOVING THE CAROUSEL-ENGAGEMENT MOTOR
REMOVING THE AIR DUCT AND FAN
PRINTED CIRCUIT ASSEMBLIES (PCAS)
REMOVING THE SUB-HIGH-VOLTAGE TRANSFORMER PCA
REMOVING THE HIGH-VOLTAGE TRANSFORMER PCA
REMOVING THE LOW-VOLTAGE PCA
TRAYS
REMOVING TRAY 1 (MULTIPURPOSE TRAY)
REMOVING OPTIONAL TRAY 2 (250-SHEET TRAY)
REMOVING THE OPTIONAL TRAY 2 PICKUP ROLLER
REPLACING THE OPTIONAL TRAY 2 SEPARATION PAD
6. TROUBLESHOOTING
SUPPORT STRATEGY
TROUBLESHOOTING PROCESS
TROUBLESHOOTING CHECKLIST
CONTROL-PANEL MESSAGES
ALERT AND WARNING MESSAGES
CRITICAL ERROR MESSAGES
CLEARING JAMS
MEDIA JAMS OCCUR IN THE DEVICE
TIPS TO AVOID MEDIA JAMS
WHERE TO LOOK FOR JAMS
TO CLEAR A MEDIA JAM INSIDE THE DEVICE
TO CLEAR OUTPUT AREA JAMS
MEDIA JAMS OCCUR IN THE AUTOMATIC DOCUMENT FEEDER (ADF)
TO CLEAR A MEDIA JAM FROM THE AUTOMATIC DOCUMENT FEEDER (ADF)
PRINT PROBLEMS
PRINT QUALITY PROBLEMS
IMPROVING PRINT QUALITY
UNDERSTANDING PRINT-QUALITY SETTINGS
TO TEMPORARILY CHANGE PRINT-QUALITY SETTINGS
TO CHANGE PRINT-QUALITY SETTINGS FOR ALL FUTURE JOBS
IDENTIFYING AND CORRECTING PRINT DEFECTS
PRINT-QUALITY CHECKLIST
GENERAL PRINT QUALITY ISSUES
SOLVING ISSUES WITH COLOR DOCUMENTS
MEDIA-HANDLING PROBLEMS
PRINT-MEDIA GUIDELINES
SOLVING PRINT-MEDIA PROBLEMS
PERFORMANCE PROBLEMS
SCAN PROBLEMS
SOLVING SCANNED IMAGE PROBLEMS
SCAN QUALITY PROBLEMS
PREVENTING PROBLEMS
SOLVING SCAN-QUALITY PROBLEMS
SCAN-SPECIFIC ERROR MESSAGES
COPY PROBLEMS
PREVENTING PROBLEMS
IMAGE PROBLEMS
MEDIA-HANDLING PROBLEMS
PERFORMANCE PROBLEMS
FAX PROBLEMS
PROBLEMS RECEIVING FAXES
PROBLEMS SENDING FAXES
VOICE CALL PROBLEMS
MEDIA-HANDLING PROBLEMS
PERFORMANCE PROBLEMS
MEMORY CARD PROBLEMS
MISSING OR WRONG FILES
INDEX PAGE NOT PRINTING
PROOF SHEET NOT PRINTING
PROOF SHEET NOT SCANNING
ISSUES WITH PHOTO PRINTING
FUNCTIONAL TESTS
ENGINE TEST
HALF SELF-TEST CHECK
HEATING ELEMENT TEST
CARTRIDGE HIGH-VOLTAGE CONTACT TEST
PAPER-PATH TEST
SERVICE-MODE FUNCTIONS
NVRAM INITIALIZATION
SECONDARY SERVICE MENU
TO PRINT SECONDARY SERVICE REPORTS
TROUBLESHOOTING TOOLS
DEVICE PAGES AND REPORTS
DEMO PAGE
CONFIGURATION PAGE
SUPPLIES STATUS PAGE
USAGE PAGE
ENGINE-TEST PAGE
ERROR LOG
FAX REPORTS
FAX ACTIVITY LOG
FAX CALL REPORT
T.30 PROTOCOL TRACE
HP TOOLBOX
TO VIEW HP TOOLBOX
TROUBLESHOOTING TAB
SERVICE MENU
RESTORING THE FACTORY-SET DEFAULTS
CLEANING THE PAPER PATH
SETTING THE SCANNER BULB POWER SAVE TIME
SERVICE-ONLY TOOLS
TIMING CHARTS
LOCATIONS OF CONNECTORS
DC CONTROLLER CONNECTIONS
PRINTER CALIBRATION
REPETITIVE IMAGE DEFECT RULER
MAIN WIRING DIAGRAM
UPDATING OR RECOVERING THE FIRMWARE CODE
FIRMWARE UPDATE BY USING FLASH EXECUTABLE
FIRMWARE-RECOVERY DIMM
7. PARTS AND DIAGRAMS
CHAPTER CONTENTS
ORDERING PARTS AND SUPPLIES
PARTS
RELATED DOCUMENTATION AND SOFTWARE
SUPPLIES
ACCESSORIES
ACCESSORIES
REPLACEMENT KITS
AUTOMATIC DOCUMENT FEEDER AND SCANNER ASSEMBLY
ASSEMBLY LOCATIONS (1 OF 2)
ASSEMBLY LOCATIONS (2 OF 2)
COVERS
INTERNAL ASSEMBLIES
PRINTED CIRCUIT ASSEMBLIES (PCAS)
ALPHABETICAL PARTS LIST
NUMERICAL PARTS LIST.