Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- service terms
- symbols marked on the product
- general guidelines
- servicing electrical components
- regulatory specifications
- general information
- printer introduction and overview
- printer configurations
- parts of the printer
- control panel
- image processor board (phaser)
- consumables and routine maintenance items
- supply life counters
- printer specifications
- functional specifications
- electrical specifications
- media and tray specifications
- memory requirements
- theory of operation
- overview of the phaser 4500/4510 laser printer
- paper path of the printer
- layout of paper transport path
- major assemblies and functions
- paper feeder
- control of paper size
- fuser control
- fuser assembly
- printer options
- servicing instructions
- using the troubleshooting procedures
- accessing fault histories
- entry level fault isolation procedure
- service diagnostics
- service diagnostics menu map
- service diagnostic control panel button descriptions
- system start-up and post
- post faults
- post diagnostic test descriptions
- operating system and application problems
- network problems
- troubleshooting procedures for error messages and codes
- main motor failure
- Diagnostic error codes
- fuser failure
- fan failure
- engine logic board nvram failure
- jam at top; open top cover to clear
- jam at exit; open rear/top cover to clear
- jam at rear; open rear cover to clear
- jam at stacker; open rear stacker cover to clear
- jam at rear; open duplex and rear cover to clear
- jam at duplex; open duplex to clear
- duplex unit error
- stacker error
- tray 3 failure/tray 3 or 4 failure
- paper size jam
- close top cover/close rear cover
- close duplex unit cover
- close stacker cover
- install or reseat print cartridge
- replace print cartridge
- no paper in tray 1/no paper in tray
- tray 2 paper is low
- no paper in tray 3/no paper in tray
- tray 3 paper is low/tray 4 paper is low
- insert tray 1/insert tray
- insert tray 3/insert tray
- stacker is full, unload paper
- standard output tray is full, unload paper
- replace maintenance kit
- inoperable printer
- no recognition of duplex unit
- no recognition of stacker
- general troubleshooting
- control panel troubleshooting
- dc power supply troubleshooting
- dc-dc converter (p4500 only)
- ac power supply troubleshooting
- print engine troubleshooting
- registration sensor
- no paper sensor
- low paper sensor
- toner sensor
- v interlock
- v interlock, interlock switch assembly
- registration clutch
- feed clutches
- image processor isolation
- image processor board
- ram dimm fault isolation
- electrical noise
- optional 550-sheet feeder pwba (tray)
- optional 550-sheet feeder no paper sensor
- optional 550-sheet feeder low paper sensor
- optional feeder paper size switch assembly
- optional 550-sheet feeder feed clutch assembly
- optional 550-sheet feeder turn roller clutch
- stacker motor assembly
- stacker rear cover switch
- stacker sensor
- stacker full sensor (on stacker pwba)
- offset sensor (on stacker pwba)
- troubleshooting
- print-quality problems overview
- analyzing test prints
- deletions (line, band, spots)
- registration (side-to-side)
- registration (lead edge-to-trail edge)
- other print defects
- light (undertoned) print
- blank print (no print)
- black prints
- vertical deletions
- horizontal deletions
- vertical streaks
- horizontal streaks
- unfused image
- damaged print
- spot deletions
- repeating defects
- residual image
- uneven density
- skewed image
- skips and smears
- service test prints
- engine test print
- adjusting laser power (image density)
- adjusting simplex registration (margins)
- adjusting duplex registration (margins)
- resetting fuser life
- resetting printer values to the factory default values
- resetting paper handling setup values
- resetting control panel setup values
- resetting all printer default settings (postscript nvram)
- cleaning and maintenance
- service preventive maintenance procedure
- fru disassembly
- standard orientation of the printer
- general notes on disassembly
- print engine: covers
- paper exit rear door
- rear cover
- right cover
- left cover
- top cover assembly, control panel
- front cover
- print engine: 150- or 550-sheet paper cassette
- print engine: 150-sheet feeder
- feed clutch, registration clutch
- toner sensor assembly
- print engine: 550-sheet paper feeder
- feed clutch
- right tray guide
- low paper sensor/actuator
- print engine: xerographics
- front duct, sub fan
- laser unit shield plate
- print cartridge left guide
- fuser harness assembly
- link lever, gear 3 link
- transfer roller assembly
- transfer chute
- print cartridge right guide assembly
- duplex unit opening cover
- print engine: paper exit
- upper exit chute, lower exit chute
- print engine: frame and drive
- gear assembly housing
- gear assembly plate
- print engine: electrical
- dc-dc converter (p)
- power switch, ac power harness assembly
- main fan (p)
- image processor shield assembly
- i/p shield window
- hvps shield plate
- image processor (i/p) board
- options: 550-sheet paper feeder
- right cover plate
- left cover plate
- option paper size switch assembly
- optional feeder drive assembly
- sheet feeder pwba
- sheet feeder
- feed clutch assembly
- turn roller clutch
- retard roller
- duplex unit removal
- top cover
- upper assembly housing
- duplex unit lower housing
- duplex unit fan (p)
- duplex unit roller
- options: stacker
- stacker rear cover
- stacker cover
- stacker front cover
- stacker tray assembly
- stacker sensor and actuator
- stacker rear cover interlock switch
- lower stacker roller
- upper stacker roller
- parts lists
- serial number format
- using the parts list
- print engine parts
- parts list 2.1 150-sheet paper cassette
- parts list 4.1 550-sheet paper cassette
- parts list 5.1 150-sheet paper feeder
- parts list 7.1 550-sheet paper feeder
- parts list 8.1 xerographics
- parts list 11.1 frame and drive
- parts list 12.1 electrical (p)
- parts list 20.3 optional 550-sheet paper cassette
- parts list 21.1 duplex unit (p)
- parts list 23.1 stacker
- xerox supplies and accessories
- wiring diagrams
- print engine plug/jack locator
- sheet feeder plug/jack locator
- duplex unit plug/jack locator
- stacker plug/jack locator
- notations used in wiring diagrams
- print engine wiring diagrams
- p4510: general wiring diagram
- fuser assembly, power switch
- print cartridge, transfer roller assembly
- sheet feeder, 550-sheet feeder, main fan
- laser unit, 5 v interlock, interlock switch assembly
- paper exit
- image processor board, dc-dc converter (p4500), control panel
- sheet feeder general wiring diagram
- sheet feeder signal diagram
- duplex unit general wiring diagram
- duplex unit signal diagram
- stacker general wiring diagram
- stacker signal diagram
- a appendix
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Phaser 4500/4510 Laser Printer Service Manual iiiContentsContentsService Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiProduct Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiPower Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiElectrostatic Discharge (ESD) Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xivService Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvRegulatory Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii1 General InformationPrinter Introduction and Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Technical Support Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Printer Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Parts of the Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5Image Processor Board (Phaser 4500) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Image Processor Board (Phaser 4510) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8Consumables and Routine Maintenance Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9Supply Life Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10Printer Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11Physical Dimensions and Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11Functional Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13Media and Tray Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14Memory Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-152 Theory of OperationOverview of the Phaser 4500/4510 Laser Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Summary of the Printing Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Paper Path of the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Layout of Paper Transport Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Major Assemblies and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11Paper Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11Paper Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15Control of Paper Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17Xerographics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18Fuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21Fuser Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23Paper Exit Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29Printer Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33Duplex Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33Stacker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36Optional 550-Sheet Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39 PreviousNext |