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Xerox PHASER 6121MFP, Service Manual

The Xerox PHASER 6121MFP is a versatile multi-function printer delivering high-quality prints, copies, scans, and faxes. To help you get started quickly, we offer a free Quick Use Manual for easy setup and operation. Download your manual effortlessly from manualshive.com to unlock all the exciting features of this amazing product.

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Phaser 6121MFP Service Manual

Contents

5 Print-Quality Troubleshooting

Print-Quality Problems Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Defects Associated with Specific Printer Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Initial Actions for Troubleshooting Print-Quality  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Check the Media and Media Settings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Check Printer Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Environmental Checks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Print Quality Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Printing Test Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Automatic Document Feeder (ADF) Print Quality Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Blank Copy or Black Copy  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Light Print. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10
Foggy Background. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12
White or Colored Lines and Bands in Feed Direction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14
White or Colored Lines and Bands in Scan Direction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16
Black Spots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-19
Gradation Reproduction Failure  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-20
Void Areas and White Spots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-21
Colored Spots  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-23
Blurred Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-24
Incorrect Color Image Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-25
Poor Fusing Performance or Offset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-26
Brush Effect or Blurred Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-27
Back Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-28
Uneven Pitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-29
Skew. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-31
Uneven Density in the Feed Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-33
Uneven Density in The Scan Direction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-34

Print-Quality Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-35

6 Adjustments and Calibrations

Adjust Function Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Using the Adjust Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Entering Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Service Mode Menu Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Service Mode Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Service’s Choice Function Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Adjustment Function Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14
Counter Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-28
Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-30
Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-31
Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-37
Fixed Zoom Change  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-40
Factory Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-41
Clear Data  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-42

Maintenance Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-43

Maintenance Mode Entry Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-43

Summary of Contents for PHASER 6121MFP

Page 1: ...Phaser 6121MFP Multi Function Printer Phaser 6121MFP Service Manual...

Page 2: ......

Page 3: ...lowing servicing instructions are for use by qualified service personnel only To avoid personal injury do not perform any servicing other than that contained in the operating instructions unless you a...

Page 4: ...er ATM and PostScript are trademarks of Adobe Systems Incorporated in the United States and or other countries Apple AppleTalk Bonjour EtherTalk LaserWriter LocalTalk Macintosh Mac OS and TrueType are...

Page 5: ...cal Support Information 1 2 Printer Configurations 1 3 Parts of the Printer 1 4 Front Views 1 4 Rear View 1 5 Options 1 6 Control Panel 1 8 Maintenance Items 1 9 Consumables 1 10 Specifications 1 11 P...

Page 6: ...r Roller 2 37 Process Control 2 40 Temperature Humidity Sensor 2 44 System Thermal Regulation 2 45 Waste Toner Collection 2 47 Media Handling 2 50 Tray 1 Feeder 2 50 Output Tray 2 53 Automatic Documen...

Page 7: ...General Troubleshooting Introduction 4 2 Servicing Instructions 4 3 Service Diagnostic Tests 4 4 General Printer Problems 4 5 2 Sided Printing Problems 4 9 Changing the Duplexing Speed 4 9 Media Based...

Page 8: ...eproduction Failure 5 20 Void Areas and White Spots 5 21 Colored Spots 5 23 Blurred Image 5 24 Incorrect Color Image Registration 5 25 Poor Fusing Performance or Offset 5 26 Brush Effect or Blurred Im...

Page 9: ...r Transport Rollers 7 12 8 Service Parts Disassembly Overview 8 2 Standard Orientation of the Printer 8 2 Preparation 8 3 Notations in the Disassembly Text 8 4 Fastener Types 8 5 Maintenance Items and...

Page 10: ...Unit 8 110 Duplex Unit PL14 1 8 110 9 Parts List Serial Number Format 9 2 Part Lists 9 3 Using the Parts List 9 3 Parts List Index 9 4 Part List 1 1 Automatic Document Feeder 1 2 9 6 Part List 1 2 Au...

Page 11: ...0 2 Print Engine Plug Jack Designators 10 2 System Connections 10 4 Plug Jack Locators 10 5 Wiring Diagrams 10 10 Notations Used in the Wiring Diagrams 10 10 Control Panel Wiring 10 13 Engine Control...

Page 12: ...x Phaser 6121MFP Service Manual Contents...

Page 13: ...a procedure or action Be aware of all symbols and terms when they are used and always read Note Caution and Warning statements Warning A warning indicates an operating or maintenance procedure practic...

Page 14: ...l error message Chapter 5 Print Quality Troubleshooting This section focuses on techniques to correct image quality problems associated with the printer output Chapter 6 Adjustments and Calibrations T...

Page 15: ...rd exists in the area where you see the sign Danger invisible laser radiation when open Avoid direct exposure to beam Hot surface on or in the printer Use caution to avoid personal injury Use caution...

Page 16: ...f the product loses its ground connection contact with conductive parts may cause an electrical shock A protective ground connection by way of the grounding conductor in the power cord is essential fo...

Page 17: ...er to the unit under test to avoid potential shock After removing a static sensitive assembly from its anti static bag place it on a grounded conductive surface If the anti static bag is conductive yo...

Page 18: ...g Labels Read and obey all posted warning labels Throughout the printer warning labels are displayed on potentially dangerous components As you service the printer check to make certain that all warni...

Page 19: ...ucted to do so by a service procedure Servicing Mechanical Components When servicing mechanical components within the printer manually rotate the Drive Assemblies Rollers and Gears Warning Do not try...

Page 20: ...ntee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment o...

Page 21: ...95 EC December 15 2004 Electromagnetic Compatibility Directive 2004 108 EC March 9 1999 Radio Telecommunications Terminal Equipment Directive 1999 5 EC This product if used properly in accordance wit...

Page 22: ...xx Phaser 6121MFP Service Manual...

Page 23: ...1 Chapter General Information In this chapter Printer Introduction and Overview Printer Configurations Parts of the Printer Maintenance Items Consumables Specifications...

Page 24: ...or 20cpm 300x300 dpi The Fax portion of the system incorporates a resolution of up to 203 dpi by 392 dpi Fax features include a modem speed of up to 33 6 Kbps using V 34 standard transmission print c...

Page 25: ...Hz Max Print Speed ppm color mono 5 20 Memory 128 MB USB Port Yes Print Resolutions dpi Draft Enhanced 600x600 1200x600 Copy Speed with auto document feeder Color 3 cpm 600 x 300 dpi Monochrome 10 cpm...

Page 26: ...ocument Output Tray 9 Document Cover 2 ADF Auto Document Feeder Cover 10 Output Tray 3 ADF Guides 11 Tray 1 4 ADF Tray 12 Tray 1 Dust Cover 5 Document Stopper 13 Front Door 6 Printer Top 14 Tray Exten...

Page 27: ...r View Item Description 1 Power switch 2 Power cord connection 3 Fax Phone line out Phaser 6121MFP N and D only 4 Line out jack Phaser 6121MFP N and D only 5 USB cable port 6 Network Ethernet connecti...

Page 28: ...1 6 Phaser 6121MFP Service Manual General Information Options Duplex Unit Item Description 1 Duplex Unit Optional Base 2 Release Lever 3 Duplex Unit s6121mfp 175 1 2 3...

Page 29: ...Phaser 6121MFP Service Manual 1 7 General Information Lower Feeder Tray Item Description 1 Lower Feeder Unit 2 500 Sheet Feeder with Tray Cover 2 1 s6121mfp 176...

Page 30: ...iving disables the telephone extension 5 Menu Display window Displays settings menus and messages 6 Navigation Menu buttons Up Down arrow buttons move through menus options Back Forward arrow buttons...

Page 31: ...and 5 coverage per color on 24 lb paper Print life figures are not guaranteed and varies depending on usage habits Imaging Unit print life is based on 3 page jobs using letter size paper Maintenance I...

Page 32: ...amount of remaining toner When toner empty is detected Life End status is displayed to indicate toner empty CMY Toner is not consumed when printing in monochrome mode or when printing Gray scale Inter...

Page 33: ...tem Charging system DC comb electrode Scorotron system Image transfer system Intermediate transfer belt system Media separating Curvature separation Charge neutralizing system Fusing system Roller fus...

Page 34: ...i Copy resolution 600 x 600 dpi x 1 bit Scan speed Phaser 6121MFP N or D printer configurations only Color 600 x 600 dpi 9 94 mm second 600 x 300 dpi 19 88 mm second Monochrome 600 x 600 dpi 29 81 mm...

Page 35: ...3 x64 Edition Windows 2000 Service Pack 4 or later Mac OS X 10 2 8 or later We recommend installing the latest patch Characteristic Description Standard memory RAM 128 MB Flash ROM 4 MB for F W Fax 6...

Page 36: ...Power Consumption with all options 110 or 220 V Power Saver Mode 10W or less Standby Mode Fuser On 80W or less Color Continuous Printing 300W or less B W Continuous Printing 396W or less Maximum Value...

Page 37: ...8 2 x 11 5 in A5 148 x 210 mm 5 8 x 8 2 in B5 ISO 176 x 250 mm Envelopes C6 114 x 162 mm Envelopes DL 110 x 220 mm Executive 7 25 x 10 5 in Foolscap 8 x 13 in Government Legal 8 5 x 13 in Government...

Page 38: ...d SEF Process control time is not included 500 Sheet Feeder Tray 2 Characteristic Specification Paper Sizes A4 Letter Paper Type Weight Plain 60 90 gsm 16 24 lb Loading Capacity 500 sheets 20 lb Duple...

Page 39: ...Controller does not keep the print engine waiting The printer is at Ready mode Laser Unit Motor Off Fuser Ready Paper is A size Short Edge Feed SEF Media Media feed from the standard media tray Physi...

Page 40: ...fications These specifications apply to any printer used as a table top printer Mounting surface flatness must be within the specified range The printer must not be tipped or tilted more than 2 degree...

Page 41: ...formation Shows coverage information for each toner cartridge as a percentage Counter Information Shows usage data by job type General Information Xerox Serial Number Engine Serial Number Installation...

Page 42: ...1 20 Phaser 6121MFP Service Manual General Information...

Page 43: ...2 Chapter Theory of Operation In this chapter Operational Overview Paper Path of the Printer Major Assemblies and Functions Media Handling...

Page 44: ...nt Process The following illustration shows the Phaser 6121 print cycle The Phaser 6121 print process consists of these steps 1 Exposure The surface of the Drum is irradiated with the laser light and...

Page 45: ...tract the visible developed image from the surface of the Drum 4 Image Transfer to Media A DC positive voltage is applied to the backside of the paper to attract the visible developed image on the sur...

Page 46: ...t is collected for cleaning The toner scraped off the surface of the photo conductor is collected in the Imaging Unit 8 Fusing Toner is permanently fused to the paper by the combination of heat and pr...

Page 47: ...rinter Print Engine Paper Path The print media is supplied from Tray 1 or the optional Tray 2 and is transported into the printer along the paper path as shown in the diagram Item Description 1 Output...

Page 48: ...eflective and photo receptive Photo reflective sensors use light reflected back from an object to detect its presence Photo receptive sensors use an actuator or the object itself to block the light pa...

Page 49: ...h The following illustration identifies the various sensors located along the paper path of a printer equipped with the Lower Feeder Unit and Duplex Unit Error reporting is dependent on these designat...

Page 50: ...2 8 Phaser 6121MFP Service Manual Theory of Operation Automatic Document Feeder ADF Sensors Item Description 1 Paper Feed Sensor 2 ADF Tray s6121mfp 109 1 2...

Page 51: ...jor Assemblies and Functions The location of the system s primary functional components is shown s6121mfp 110 Scanner Auto Document Feeder Imaging Unit Toner Cartridges Laser Unit Paper Feed Unit 2nd...

Page 52: ...2 10 Phaser 6121MFP Service Manual Theory of Operation Main Engine Component Overview Board Locations Scanner Control Board LVPS HVPS Fax Board Engine Control Board s6121mfp 360...

Page 53: ...s and Switches s6121mfp 227 Paper Feed Sensor Registration Sensor Exit Sensor Temperature Humidity Sensor Registration Sensor Rack Position Sensor Front Door Switch Main Power Switch Contact Switch Pa...

Page 54: ...ans and Solenoids s6121mfp 361 Ozone Fan LVPS Fan Exit Tray Cooling Fan Scanner Motor Rack Motor Developing Motor Tray 1 Paper Feed Solenoid Cleaning Blade Pressure Retraction Solenoid Conveyance Sole...

Page 55: ...Theory of Operation Fuser Functional components of the Fuser appears below Fuser Drive The Fuser is driven by the Main Motor s6121mfp 111 Thermostat Exit Sensor PS7 Pressure Roller Thermistor TH1 Heat...

Page 56: ...Warm up Control Control is provided until the Fuser roller reaches the predetermined level Control Start Timing The power switch is turned On A malfunction or media misfeed is reset The main body leav...

Page 57: ...end of the warm up control At the end of the post print cycle control print start control Control Termination Timing The front cover is opened and closed A malfunction or media misfeed occurs Print Co...

Page 58: ...istor TH1 detects a temperature exceeding a predetermined value the malfunction code representing abnormally high temperature is displayed At this time the power supply line is shut down If the temper...

Page 59: ...ti print cycle of producing 20 pages The number of printed pages per minute is established as detailed below for each media size for the 21st and subsequent pages No PPM control is provided for a mult...

Page 60: ...nal image reading starts from the start position of original reading When the original reading completes it moves to scanner stop position After the reading completes the exposure lamp lights OFF and...

Page 61: ...g compensation The exposure units moves to the stand by position It moves to ADF reading position and original image reading starts After the reading completes the exposure lamp turns OFF and moves to...

Page 62: ...a stable electrostatic image The Laser Assembly is replaced as a complete assembly Functional components within the Laser appear in the following Imaging Unit Exposure The surface of the Imaging Unit...

Page 63: ...kes the polygon mirror 2 The four sided polygon mirror rotates at high speeds driven by the Polygon Motor 3 The Start of Scan SOS Sensor monitors laser light emission and initiates timing for each lin...

Page 64: ...ite each scan line The print start position in the CD direction is determined by the CD Print Start signal HSYNC that is output from the Image Processor Board and the width of the paper The print star...

Page 65: ...ste toner reservoir The photo conductive drum is driven by the Main Motor through a series of gears When the Main Motor is energized it turns the drive gear which in turn rotates the drum The cleaning...

Page 66: ...imum value the system generates a warning message When the count reaches the maximum value a replacement error is generated The counter is reset following the detection of a new Imaging Unit The syste...

Page 67: ...1 Toner stored in the hopper is moved into the toner supply portion by the rotation of the Toner Cartridge rack 2 Toner in the toner supply portion is conveyed by the supply roller onto the developing...

Page 68: ...component is applied only during development The developing bias voltage Vb supplied by the High Voltage Power Supply is applied to the developing roller at the contact point shown below Developer Rol...

Page 69: ...iven by the Rack Motor The Toner Cartridge Rack has three stop positions driven by the Rack Motor the standby reference position the developing position and the cartridge replacement position The stan...

Page 70: ...enta Toner Cartridge The developing position is where the Toner Cartridge Rack is rotated 62 degrees from the standby position The cartridge replacement position is where the Toner Cartridge Rack is r...

Page 71: ...oner Cartridge Rack follows these steps for color prints 1 The Toner Cartridge Rack is stationary at the standby position 2 When a print request is received the Toner Cartridge Rack rotates to place t...

Page 72: ...actuate the Rack Position Sensor at each stop position The Magenta Toner Cartridge includes a slit for detecting the standby position When the Toner Cartridge Rack is rotated the Rack Positioning Sens...

Page 73: ...pleted cartridges developing position by the Rack Motor M M Y Y K K C C s6121mfp 137 Detection Of M Developing Position Detection Of Y Developing Position Detection Of K Developing Position Detection...

Page 74: ...Components of the Transfer Belt appear below In addition to the Transfer Belt a Transfer Roller sometimes referred to as the 2nd Transfer Roller transfers the composite image to the media for fusing s...

Page 75: ...Belt and the 2nd Transfer Roller are driven by the Main Motor The Transfer Roller Clutch at one end of the 2nd Transfer Roller engages the Main Motor drive s6121mfp 121 Transfer Belt Imaging Unit Phot...

Page 76: ...p above the cleaning blade During color printing an image is formed on the Transfer Belt for each color The cleaning blade uses a retraction mechanism to lift off the belt during the printing process...

Page 77: ...etract the cleaning blade are 1 Drive from the Main Motor is transmitted to the drive gear 2 Rotation of the drive gear is transmitted to the pressure cam 3 When the cleaning blade pressure retraction...

Page 78: ...ansfer Belt The leading edge of each color component of the image must register correctly on the Transfer Belt s surface The position of the Transfer Belt is monitored by the Transfer Belt Position Se...

Page 79: ...edia To allow development of the composite color image on the Transfer Belt the Transfer Roller retracts from the belt while the image is developed The Transfer Roller retraction operation is performe...

Page 80: ...Rotation of the drive gear is transmitted to the Transfer Roller Clutch 3 When the 2nd Image Transfer Solenoid is energized the Transfer Roller Clutch rotates a half turn This moves the Pressure Slide...

Page 81: ...acts from the Transfer Belt Transfer Roller Cleaning DC positive and negative transfer bias voltages are alternately applied to the Transfer Roller These charges oppose those on the Transfer Belt attr...

Page 82: ...y adjusts the appropriate image transfer output voltage bias that is applied to each Transfer Roller and transfer belt during the print cycle Automatic Density Control ADC ADC stabilizes image density...

Page 83: ...is corrected during the intensity adjustment and G correction control Toner adherence control The developing bias voltage value is adjusted to keep constant the amount of toner sticking to the surface...

Page 84: ...from when the Power Switch was turned Off The stored environmental readings taken when Energy Saver mode was entered differ from those taken when the system woke from Energy Saver mode The Power Swit...

Page 85: ...elow Mode 2 ADC Intensity Control Reflectance Measurement Control Laser Intensity Control Mode 1 ATVC Control Leak Detection Control ADC Intensity Control Reflectance Measurement Control Control Of Th...

Page 86: ...the internal temperature of the system It is also used for image stabilization transfer ATVC and fusing temperature control Note There is a Control Panel command which obtains environmental temperatu...

Page 87: ...d by specialized circuity on the Main Board The following illustration shows the location and airflow direction of these fans Item Description Output Tray Fan Cools the Scanner and output media Power...

Page 88: ...e Power Supply Fan stops when The system enters the Energy Saver mode The Power Switch is turned Off Ventilation Fan The Ventilation Fan cools the system cabinet and operates at full speed when the Ma...

Page 89: ...nual 2 47 Theory of Operation Waste Toner Collection Waste toner removed from the Transfer Belt and drum by the cleaning blade is transferred by two gear driven augers into the Imaging Unit waste tone...

Page 90: ...2 48 Phaser 6121MFP Service Manual Theory of Operation Waste Toner Collection Drive Waste toner collection augers are driven by the Main Motor s6121mfp 151...

Page 91: ...otation of the toner agitating screw causes the actuator to move up and down via the float plate so that the waste toner near full sensor detects H and L signals alternately When the amount of waste t...

Page 92: ...2 50 Phaser 6121MFP Service Manual Theory of Operation Media Handling Tray 1 Feeder s6121mfp 153...

Page 93: ...is energized drive from the Main Motor is transmitted to the Pick Roller via the Tray 1 Pick Clutch At the same time the Lift Cam is rotated which raises the Lift Plate The media is taken up and fed i...

Page 94: ...misfeed conditions are detected by the registration sensor To reduce the number of detected paper misfeeds another feed sequence is carried out if a registration sensor signal transition fails to occu...

Page 95: ...ge on the Control Panel The sheet causing the size error continues through the print process and is output to the tray Operations for subsequent sheets are specified from the controller Output Tray Me...

Page 96: ...output tray status Automatic Document Feeder ADF The ADF feeds documents to the Scanner platen for scanning The functional components within the ADF are illustrated below s6121mfp 289 Paper Full Senso...

Page 97: ...he original up to the media feed roller 6 The ADF Transport Motor drives the pick up roller and media feed roller through a gear train Double feeding of paper is prevented using coefficient of frictio...

Page 98: ...or establishes the document scan start timing 4 Deactivation of the registration sensor establishes the document scan end timing and timing to de energize the ADF Transport Motor ADF Exit Operation Th...

Page 99: ...The following illustrations show the location of components within the Duplex Unit s6121mfp 164 Switchback Motor Door Sensor Transport Motor M6 Loop Sensor PS13 Registration Solenoid SD7 Registration...

Page 100: ...s media into the Duplex Unit For duplex operation the duplex option lever disconnects drive to the Exit Roller and engages the Duplex Switchback Motor This reverses the Exit Roller feeding the media i...

Page 101: ...nto the print engine The first print cycle for the second sheet produces the image on the fourth page of the original 6 Also at the same time the first 1 sided print is transported through the Duplex...

Page 102: ...the paper path through the Duplex Unit with the 500 Sheet Feeder attached Duplex Unit Fan The Duplex Unit Fan moves air through the unit to keep the temperature of the LVPS from rising The Duplex Unit...

Page 103: ...driven by the system s Main Motor through a coupling gear The paper separation mechanism uses separation claws installed in the unit and elasticity of the paper It ensures that only one sheet of paper...

Page 104: ...e PF Drive Board detects when the tray is empty When media is present in the tray the actuator is raised unblocking the sensor When the tray is empty the actuator drops into the slit in the Lift Plate...

Page 105: ...y of Operation Tray Detect Switch The Tray Detect Switch signals the presence of a tray in the feeder The switch is On when the tray is fully inserted in the feeder Tray Set Detecting Switch Switch Ac...

Page 106: ...2 64 Phaser 6121MFP Service Manual Theory of Operation...

Page 107: ...3 Chapter Error Messages and Codes In this chapter Introduction Error Messages Jam Error Procedures Service Call Error Troubleshooting Procedures...

Page 108: ...5 Print Quality Troubleshooting The printer tracks and reports errors in a number of ways The two types of error reporting discussed in this section include Error messages and codes displayed on the...

Page 109: ...Phaser 6121MFP Service Manual 3 3 Error Messages and Codes s6121mfp 372...

Page 110: ...1 is empty of paper or there is a paper jam at feed section Jam at Duplex Unit Open top cover and duplex unit cover Press any key Paper jam at the Duplex Unit Jam at Duplex Unit Open Duplex cover clea...

Page 111: ...ODE 001B Turn power off on page 3 70 0045 Scanner fan failure CODE 0045 Turn power off on page 3 71 004A Duplex fan failure CODE 004A Turn power off on page 3 72 004C Exhaust fan failure CODE 004C Tur...

Page 112: ...re CODE 133C Turn power off on page 3 84 13C0 Engine board failure CODE 13C0 Turn power off on page 3 84 13DD Initial toner failed CODE 13DD Replace toner Contact Xerox for unit exchange page 3 85 13E...

Page 113: ...CANNOT CONNECT SMB Server 0106 FTP SERVER ERROR The file cannot be saved on the indicated server 0107 SMB SERVER ERROR 0108 WRONG PASSWORD FTP Server The password is incorrect so the indicated server...

Page 114: ...e server was interrupted during data transmission in Scan mode 0114 COMMUNICATION ERROR FTP Server 0115 COMMUNICATION ERROR SMB Server 0118 DISCONNECT SMTP Server The connection to the server was inte...

Page 115: ...after sending DTC signal 0006 Detect busy tone within receiving phase B 0009 No signal received within 35 seconds in manual polling mode 0010 Received DCN signal after sending DTC signal in polling R...

Page 116: ...ds after sending CTR 0041 Carrier signal not received within 6 seconds after sending PPR 0042 Correct signal not received after sending RNR signal 0043 Received incorrect signal at phase D in ECM mode...

Page 117: ...ase C 005D Modem can not detect any correct ECM frame with 12 seconds in phase C 005E Control channel signal not detected within 6 seconds after receiving RCP frame 005F Silence not detected after sen...

Page 118: ...length 4 bytes NOTE The default setting is 0 DIS signal length 8 bytes Error code 0003 Definition Received DIS after sending DIS signal Solution The cause is the sender did not place the original docu...

Page 119: ...the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 3 Boost the TX Level of sender s machine 4 Boost the machine TX Level Error code 0019 Defi...

Page 120: ...e line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 3 Boost the TX Level of sender s machine Error code 0021 Definition File full Solution 1 Print out...

Page 121: ...end the fax 2 Check the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 3 Boost the TX Level of sender s machine 4 Boost the machine TX Level...

Page 122: ...2 Print out the ONE TOUCH DIAL LIST and SPEED DIAL LIST to confirm that the registered telephone number is the same as the coming sender s number Error code 0040 Definition Can t receive carrier with...

Page 123: ...hange the machine setting to ECM OFF and then ask sender resend again 3 Boost the TX Level of sender s machine 4 Print out the protocol report and provide it to Technical Support for analysis Error co...

Page 124: ...hnical Support for analysis 3 Boost the TX Level of sender s machine Error code 0049 Definition Can t receive correct signal after sending PIP PIN signal within 13 sec Solution 1 Check the phone line...

Page 125: ...ephone line or contact your Telecom Service Provider 2 Change the machine setting to ECM OFF and then ask sender resend again 3 Print out the protocol report and provide it to Technical Support for an...

Page 126: ...ine setting to ECM OFF and then ask sender resend again 3 Print out the protocol report and provide it to Technical Support for analysis Error code 0052 Definition Can t receive phase 4 signal after p...

Page 127: ...or code 0058 Definition Can t detect image signal within 6 seconds after modem enters primary phase in V 34 Solution 1 Check the phone line for noise and if necessary replace the telephone line or con...

Page 128: ...de it to Technical Support for analysis Error code 005D Definition Modem can not detect any correct ECM frame with 12 Sec in phase C Solution 1 Ask the sender to resend the fax 2 Check the phone line...

Page 129: ...ror code 0062 Definition Modem disconnect in phase D after pinter sending flags sequence in control channel Solution 1 Check the phone line for noise and if necessary replace the telephone line or con...

Page 130: ...d the fax 2 Check the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 3 Boost the TX Level of the sender s machine 4 Print out the protocol re...

Page 131: ...ceiving data which was stored in the fax memory or delete the unnecessary data 3 Reboot the machine 4 Execute MEMORY CLEAR Error code 0072 Definition Received EOR_Q Signal Solution 1 Check the phone l...

Page 132: ...C signal in transmission phase 0082 Transmitting unit receives a signal other than DIS or DTC and DCN in phase B 0083 Detected FSK signal but did not receive any signal within 35 seconds 0084 Detect D...

Page 133: ...m enter phase 2 state in V 34 polling RX 009F No response received from other side after sending PPS_EOM signal 00A0 User stopped or canceled transmission job 00A1 Document jam within transmission 00A...

Page 134: ...N PIP PIN PRI EOP or DCN 00CB After sending EOP signal received DCN signal 00CC After sending EOM signal the received signal is not one of MCF RTN PIP PIN RTP or DCN 00CD At phase D transmitting EOM 3...

Page 135: ...procedure after sending PPS_EOM 00EE At phase D transmitting EOR_NULL 3 times consecutively but receive no answer 00EF Received incorrect response after sending EOR_NULL 00F0 Did not receive a respon...

Page 136: ...l report and provide it to Technical Support for analysis Error code 0081 Definition Received DTC signal in transmission phase Solution Print out the protocol report and provide it to Technical Suppor...

Page 137: ...the machine TX Level 1 Error code 0086 Definition Detected response signal other than DTC DIS FTT DCN or CFR after sending DCS Solution Print out the protocol report and provide it to Technical Suppor...

Page 138: ...al Support for analysis Error code 008D Definition Receiver s protocol of DIS is received but remote side can t receive document temporarily may be cause by run out of paper or other reason Solution 1...

Page 139: ...V 34 Solution 1 Resend the fax 2 Register the telephone number in the printer 3 Print out the protocol report and provide it to Technical Support for analysis Error code 0094 Definition Time out durin...

Page 140: ...hnical Support for analysis Error code 00A0 Definition User stopped or canceled the transmission job Solution Resend the fax Error code 00A1 Definition Document jam within transmission Solution Clear...

Page 141: ...Level 1 3 Change the machine TX speed to V 17 and then resend 4 Print out the protocol report and provide it to Technical Support for analysis Error code 00B2 Definition Can t detect phase 2 signal a...

Page 142: ...1 3 Change the machine TX speed to V 17 and then resend 4 Print out the protocol report and provide it to Technical Support for analysis Error code 00B6 Definition Can t detect phase 4 signal within 2...

Page 143: ...t and provide it to Technical Support for analysis Error code 00BC Definition Modem is not ready within 10 second after entering primary channel in V 34 Solution 1 Check the phone line for noise and i...

Page 144: ...o Technical Support for analysis Error code 00C1 Definition At phase D transmitting units out EOP 3 times consecutively but receive no answer from receiving unit Solution 1 Resend the fax 2 Check the...

Page 145: ...code 00C9 Definition At phase D sending MPS 3 times consecutively but no answer from receiving unit Solution 1 Resend the fax 2 Check the phone line for noise and if necessary replace the telephone l...

Page 146: ...no answer received Solution 1 Resend the fax 2 Check the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 3 Boost the TX Level of sender s mach...

Page 147: ...eceived DCN after sending PPS_NULL signal Solution Print out the protocol report and provide it to Technical Support for analysis Error code 00D4 Definition Received DCN after sending PPS_EOM signal S...

Page 148: ...one line or contact your Telecom Service Provider 2 Boost the machine TX Level 1 3 Change the machine TX speed to V 17 and then resend 4 Print out the protocol report and provide it to Technical Suppo...

Page 149: ...s machine 3 Boost the machine TX Level 1 4 Print out the protocol report and provide it to Technical Support for analysis Error code 00E4 Definition At phase D transmitting units out PPS_MPS 3 times c...

Page 150: ...g PPS_MPS Solution Print out the protocol report and provide it to Technical Support for analysis Error code 00E8 Definition At phase D transmitting PPS_EOP 3 times consecutively but receive no answer...

Page 151: ...achine setting to ECM OFF and then resend 3 Boost the TX Level of sender s machine 4 Boost the machine TX Level 1 5 Set SOFT SW21 5 to 1 T4 timer 4 5 sec 6 Print out the protocol report and provide it...

Page 152: ...ical Support for analysis Error code 00F0 Definition Did not receive a response procedure after sending EOR_NULL Solution 1 Check the phone line for noise and if necessary replace the telephone line o...

Page 153: ...the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provider 2 Change the machine setting to ECM OFF and then resend 3 Boost the TX Level of sender s...

Page 154: ...s machine 4 Boost the machine TX Level 1 5 Print out the protocol report and provide it to Technical Support for analysis Error code 00F8 Definition At phase D transmitting units out EOR_EOM 3 times...

Page 155: ...r analysis Error code 00FC Definition No response received after sending CTC Solution 1 Check the phone line for noise and if necessary replace the telephone line or contact your Telecom Service Provi...

Page 156: ...r not 3 Faxing by Manual TX 4 Check that the machine setting matches the switchboard 5 Adjust the SOFT SW07 8 to 0 disable the dial tone detect before dial 6 Adjust the SOFT SW21 1 2 to 11 increase T1...

Page 157: ...the handset The fax line is in use Phone line problem Check phone line Press any key Fax line problem Redials failed Please resend Press any key The specified number of redials failed to successfully...

Page 158: ...b needs to be loaded Remove original in document feeder This error occurs when there is an original in the ADF but the job calls for flatbed scanning No suitable paper Check duplex setting Reload 12 o...

Page 159: ...you to cancel the fax job Communication error with POP3 server A communication error occurred with the POP3 server Cannot find restore file Please check USB memory This error occurs when trying to re...

Page 160: ...n spared component and that component is part of a parent assembly replace the entire parent assembly Measurement Techniques 1 Unless indicated otherwise the instruction switch On printer power means...

Page 161: ...ace the entire parent assembly 10 Ensure that you are using a supported media size and type refer to Printer Specifications on page 1 11 11 Power and signal grounds are connected to the frame ground A...

Page 162: ...g to the problem See Media and Tray Specifications on page 1 15 Recycled multi purpose or copier paper tends to contaminate the paper path Constant use of special papers such as labels or business car...

Page 163: ...op cover clear jammed paper Fuser Top cover page 3 61 Jam at Output tray Open Top cover Exit section Top cover page 3 63 Automatic Document Feeder Jams Original Doc Jam Open Doc Feeder and clear the o...

Page 164: ...erences Registration Sensor PL7 2 3 Tray 1 Pick up Solenoid PL6 0 19 Engine Control Board PL13 0 20 Board Locations page 2 10 Sensors and Switches page 2 11 Motors Fans and Solenoids page 2 12 Imaging...

Page 165: ...In some cases the2nd Image Retraction Position Sensor PS3 is blocked when the power switch is turned ON a cover is opened and closed or a misfeed or malfunction is reset Applicable Error Code Jam at...

Page 166: ...ted properly Go to step 2 Reseat the connectors If the problem persists go to step 2 2 Check the signal at P J12 6 on the Engine Control Board and activate the Registration Sensor The voltage level sh...

Page 167: ...section the Exit Sensor is blocked when the power switch is turned ON a cover is opened and closed or a misfeed or malfunction is reset Applicable Error Code Jam at Fuser Open top cover clear jammed p...

Page 168: ...he sensor is activated Is the sensor operational Go to step 3 Replace the Fuser page 8 9 If the problem persists go to step 3 3 Check the Registration Roller Solenoid at P J10 4 and at the same time p...

Page 169: ...ions for Jam Errors on page 3 56 Procedure Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Exit Sensor PL11 0 15 Engine Control Board PL13 0 20 Fuser PL11 0 18 Board L...

Page 170: ...ence Table Applicable Parts Wiring and Plug Jack References ADF Unit PL1 1 6 Image Processor Board PL13 0 29 Image Processor Board Wiring page 10 16 Troubleshooting Procedure Table Step Action and Que...

Page 171: ...tions for Jam Errors on page 3 56 Procedure Warning To avoid the potential of electric shock ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to per...

Page 172: ...re Table Step Action and Questions Yes No 1 Perform a Tray 1 Paper Feed test page 6 31 Does Tray 1 feed paper normally Go to step 5 Go to step 2 2 Clean the 500 Sheet Feeder Paper Pick up Roller page...

Page 173: ...r Initial Actions Follow the directions in Initial Actions for Jam Errors on page 3 56 Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Transport Sensor PS15 PL14 1 7 D...

Page 174: ...with a supported paper type 2 Check that the Duplex Unit door is able to close completely Is it closed Go to step 3 Fix the problem preventing the door from closing If the problem persists go to step...

Page 175: ...Map 1 Engine Control Board Plug Jack Locator page 10 5 Engine Control Board Wiring page 10 14 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check the Engine Control Board connect...

Page 176: ...gine Control Board Plug Jack Locator page 10 5 Engine Control Board Wiring page 10 14 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check the Rack Motor connector P J5 on the Engi...

Page 177: ...rol Board PL13 0 20 Image Processor Board PL2 0 4 Board Locations page 2 10 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check the Engine Control Board connector P J24 Is the con...

Page 178: ...ring and Plug Jack References Engine Control Board PL13 0 20 Duplex Unit PL14 1 Board Locations page 2 10 Map 1 Engine Control Board Plug Jack Locator page 10 5 Engine Control Board Wiring page 10 14...

Page 179: ...d Plug Jack Locator page 10 5 Engine Control Board Wiring page 10 14 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check the Engine Control Board connector P J16 Is the connector...

Page 180: ...2 10 Motors Fans and Solenoids page 2 12 Map 1 Engine Control Board Plug Jack Locator page 10 5 Engine Control Board Wiring page 10 14 Troubleshooting Procedure Table Step Action and Questions Yes No...

Page 181: ...o step 5 5 Replace the Engine Control Board page 8 59 Complete Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Imaging Unit PL4 0 13 Engine Control Board PL13 0 20 Boa...

Page 182: ...ransfer Retraction Position Sensor PS3 PL4 0 9 2nd Image Transfer Retraction Position Solenoid SD4 PL7 2 23 Main Motor PL9 1 6 Engine Control Board PL13 0 20 Board Locations page 2 10 Sensors and Swit...

Page 183: ...Does the problem persist Go to step 5 Complete 5 Check the 2nd Image Transfer Retraction Position Sensor control signal for a voltage change at P J12 3 on the Engine Control Board Is the signal opera...

Page 184: ...problem persists go to step 2 2 On the Engine Control Board check P J19 1 for 24V P J18 10 and 11 for 5V Are the voltages present Go to step 4 Go to step 3 3 On the Engine Control Board check P J2 2 f...

Page 185: ...y PL13 0 17 Board Locations page 2 10 Map 1 Engine Control Board Plug Jack Locator page 10 5 Power Supply Wiring page 10 17 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check tha...

Page 186: ...ine Control Board PL13 0 20 Power Supply PL13 0 17 Board Locations page 2 10 Map 1 Engine Control Board Plug Jack Locator page 10 5 Power Supply Wiring page 10 17 Troubleshooting Procedure Table Step...

Page 187: ...ocedure Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Engine Control Board PL13 0 20 Image Processor Board PL2 0 4 Board Locations page 2 10 Troubleshooting Procedur...

Page 188: ...g Jack References Imaging Unit PL4 0 13 Engine Control Board PL13 0 20 Board Locations page 2 10 Map 1 Engine Control Board Plug Jack Locator page 10 5 Imaging Wiring page 10 15 Troubleshooting Proced...

Page 189: ...the Engine Control Board to Image Processor Board Initial Actions Power down and reboot the printer Procedure Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Engine Co...

Page 190: ...Table Applicable Parts Wiring and Plug Jack References Fax Board PL13 0 30 Board Locations page 2 10 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Replace the Fax Board page 8 66...

Page 191: ...is found faulty during a check Initial Actions Power down and reboot the printer Procedure Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Engine Control Board PL13 0...

Page 192: ...e Applicable Parts Wiring and Plug Jack References Scanner PL2 0 4 Image Processor Board PL13 0 29 30 Board Locations page 2 10 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Check...

Page 193: ...e is an NVRAM failure Contact a Xerox representative to correct this error Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack References Engine Control Board PL13 0 20 Image Process...

Page 194: ...3 88 Phaser 6121MFP Service Manual Error Messages and Codes...

Page 195: ...cing Instructions Service Diagnostic Tests General Printer Problems 2 Sided Printing Problems Media Based Problems Control Panel Troubleshooting Fax Troubleshooting Power Supply Problems Abnormal Nois...

Page 196: ...ting problems associated with a Service Call code or Control Panel error message refer to Error Messages and Codes on page 3 1 Print quality problems are covered in Print Quality Problems Overview on...

Page 197: ...tect them from light 5 Inspect the printer interior and remove any foreign matter such as paper clips staples pieces of paper dust or loose toner 6 Do not use solvents or chemical cleaners to clean th...

Page 198: ...the paper ADF Feed Test Check the paper feeding in the paper take up transport sections in the Automatic Document Feeder Check Scan Window Check for dirt in the scanning section of the Automatic Docu...

Page 199: ...onnected to an outlet with a voltage or frequency that does not match the printer specifications Use a power source with the specifications listed in Electrical Specifications on page 1 14 The control...

Page 200: ...ure that the paper type is set properly in the printer driver The printer is set to Energy Saver mode It takes more time for printing to start in Energy Saver mode If an error is detected while the pr...

Page 201: ...ace The paper tray is not installed correctly Remove the tray that you are printing from and reinsert it completely into the printer There is a foreign object stuck inside the printer Turn off the pri...

Page 202: ...ent Type to Photo Some areas of the scanned image are missing Acrobat 8 Macintosh version is used for scanning the image With the Acrobat Scan setting turn off the OCR and Filtering functions The pape...

Page 203: ...e printer control panel press the Back Menu button to enter the System Menu then press the Down Arrow button and go to General Setup Press OK 2 Arrow down to Duplex Speed and press OK 3 Select from th...

Page 204: ...e Feed Rollers 8 Replace the paper tray Mis Pick 1 Check that the correct type of media for the tray is being used and the paper guides are set correctly 2 Remove fan and reload the media Ensure that...

Page 205: ...rotocol Report To set the desired behavior of the Protocol Report 1 At the initial screen on the Control Panel press OK Stop Reset 0 0 Stop Reset 0 1 2 Select Service s Choice and press OK 3 Select Pr...

Page 206: ...e the next message transmission from the transmitter to the receiver ERR RNR PIN CRP MPS or EOP or EOM or PRI MPS or PRI EOP or PRI EOM Post message commands MCF RTP RTN PIP PIN CRP PPS NULL Post mess...

Page 207: ...n the document glass or repair the scanner If the original is being sent from the ADF try making a copy with the original placed on the platen If this resolves the problem the fault is in the ADF 2 Ca...

Page 208: ...ty DTMF PULSE Is the dialing type set correctly Go to step 5 Change the dialing type to match your phone line If the problem persists go to step 5 5 Test your phone line with a telephone If the phone...

Page 209: ...le Step Action and Questions Yes No 1 Check the sending printers scanner glass Is the glass clean Go to step 2 Clean the glass with a soft dry cloth 2 Is the TX density set to an unsuitable level Adju...

Page 210: ...eck the ring pattern provided by the telephone service provider and select the correct pattern for fax 2 Problem with printing quality such as corrupted image lines in image or top bottom cut off a If...

Page 211: ...nagement Mode If the printer is in the Admin Management Mode it is unable to receive faxes Log out of Admin Management Mode and resend the fax Go to step 5 5 If the recipient password has been set the...

Page 212: ...ting correctly Complete Call your telephone company for line repair Troubleshooting Procedure Table Step Action and Questions Yes No 1 Is the image quality of copies made at the printer also poor Repl...

Page 213: ...gital Subscriber Line Digital Subscriber Line DSL is a high speed digital transmission method using existing telephone lines Because the line is used for both voice and data transmission various probl...

Page 214: ...e following procedure if the printer doesn t go into Off Hook state when you pick up the phone Initial Actions Cycle printer power If the problem persists follow the procedure Troubleshooting Procedur...

Page 215: ...shooting Procedure Table Step Action and Questions Yes No 1 Is the telephone line connected correctly Go to step 2 Connect the line correctly 2 Is the handset lifted off the hook Place the handset on...

Page 216: ...DN systems the number of elements is not the key for identification of the type of line service Troubleshooting Procedure Applicable Parts Wiring and Plug Jack Map References Image Processor Board PL1...

Page 217: ...smit Go to step 10 Go to step 7 7 Check the outside line prefix is added Is the fax number correct Check System Admin Menu Fax Settings Ans Select Line Type Dialing Type Retry the fax transmission 8 M...

Page 218: ...tor page 10 7 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Check the error message on the Control Panel Is there an error code Refer to the appropriate error code procedure Erro...

Page 219: ...he cable 7 Is the paper size correct Go to step 8 Replace the paper 8 Press the Fax button and then select Delay Send Is the Delayed Send on Go to step 9 Go to step 11 9 Is the Delayed Send on a speci...

Page 220: ...10 VAC or 220 VAC if the printer is a 220 V configuration at the AC wall outlet Go to step 2 Notify the customer of improper AC output from the outlet 2 Is the Fuse on the Power Supply open Replace th...

Page 221: ...g page 10 17 Troubleshooting Procedure Table Step Action and Questions Yes No 1 Is power source voltage being applied to connector CN3 of the Power Supply Go to step 2 Check wiring from the AC power p...

Page 222: ...terior 7 Do not use any type of oil or lubricant on printer parts 8 Use only an approved toner vacuum 9 Clean all rubber rollers with a lint free cloth dampened slightly with cold water and mild deter...

Page 223: ...oting Procedure Table Step Actions and Questions Yes No 1 Check external noise Are there other electrical appliances within 3 meters of the printer Turn the electrical appliances Off or relocate the p...

Page 224: ...ng Standby Troubleshooting Reference Table Applicable Parts Wiring and Plug Jack Map References Power Supply PL13 0 17 Map 5 Power Supply Plug Jack Locator page 10 9 Troubleshooting Procedure Table St...

Page 225: ...Verify that the LPR and AppSocket settings are set as desired Interpreters Auto PCL or PostScript depending on your driver 2 Verify that the client is logged into the network and printing to the corr...

Page 226: ...perform the steps below For TCP IP proceed to step 2 a From the printer s Control Panel verify that the EtherTalk is enabled If it not enable EtherTalk and reset the printer b Print the Configuration...

Page 227: ...5 Chapter Print Quality Troubleshooting In this chapter Print Quality Problems Overview Initial Actions for Troubleshooting Print Quality Print Quality Troubleshooting Print Quality Specifications...

Page 228: ...ations and environmental conditions Determine the temperature and humidity under which the printer is operating Compare this to the Environmental Specifications on page 1 14 Extreme temperature and hu...

Page 229: ...ite Spots page 5 21 Colored Spots page 5 23 Blurred Image page 5 24 Incorrect Color Image Registration page 5 25 Brush Effect or Blurred Image page 5 27 Back Marking page 5 28 Uneven Pitch page 5 29 U...

Page 230: ...34 Fuser White or Colored Lines and Bands in Feed Direction page 5 14 White or Colored Lines and Bands in Scan Direction page 5 16 Void Areas and White Spots page 5 21 Colored Spots page 5 23 Poor Fu...

Page 231: ...ges Cleaning Paper toner and dust particles can accumulate inside the printer and cause print quality problems such as smearing or specks Clean the inside of the printer to reduce these problems Refer...

Page 232: ...and press OK 4 Arrow up to Yes and press OK The printer performs a calibration cycle which takes about 2 minutes Environmental Checks Verify that the printer is operating within standard environmenta...

Page 233: ...then press OK 3 Navigate to Prn Test Pattern and then press OK 4 Select a paper tray and press OK 5 Select a test pattern and then press OK Print Quality Summary Print Quality Problem Go to Blank Cop...

Page 234: ...ccasionally at uneven intervals This causes a banding pattern on the output copy In this case clean the feed rollers and validate the thickness of the original document Copy media out of specification...

Page 235: ...e Power Supply page 8 72 Complete 6 Inspect the Imaging Unit Is the gear of the Imaging Unit drive mechanism installed properly Go to step 7 Correct the drive transmitting section or replace the Imagi...

Page 236: ...ocedure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 see page 5 7 Does the defect occur on the printed output Go to step 4 The problem is associated with the scanner system Go to ste...

Page 237: ...rsists go to step 6 Go to step 6 6 Is the 2nd Transfer Roller contact dirty Clean the contact If the problem persists go to step 7 Go to step 7 7 Has the problem been eliminated Complete Replace the f...

Page 238: ...Procedure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 see page 5 7 Does the defect occur on the printed output The problem is in the print image system Go to step 4 The problem is...

Page 239: ...connectors If the problem persists go to step 7 7 Replace the Cleaning Blade Solenoid page 8 104 Does the problem persist Go to step 8 Complete 8 Replace the Engine Control Board page 8 59 Complete 9...

Page 240: ...edure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 see page 6 32 Does the defect occur on the printed output The problem is in the print image system Go to step 4 The problem is in t...

Page 241: ...he problem persist Go to step 6 Complete 6 Check the Laser Unit Are the connectors and terminal contacts of the Laser Unit connected properly Reseat the connectors and clean the terminal contacts Is t...

Page 242: ...o step 11 Complete 11 Replace the Imaging Unit If the problem persists replace the toner cartridges page 8 20 If the problem persists replace the Laser Unit page 8 50 Troubleshooting Reference Table A...

Page 243: ...cables between the Scanner the Image Processor Board and the Engine Control Board Make another copy Does the defect still occur Replace the Scanner Unit page 8 31 Complete 4 Does the defect occur in...

Page 244: ...blem persists go to step 9 Go to step 9 9 Check the paper path Is there a foreign object or obstruction in the path Remove the object and reprint the test page If the problem persists go to step 10 Go...

Page 245: ...ions and Questions Yes No 1 This defect can occur when foreign material is on the document glass The scanhead detects the foreign material while scanning and the defect appears as spots on the copy ou...

Page 246: ...h Voltage Board PL13 0 6 Toner Cartridge See consumables parts list Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 page 6 32 Is the error present in only one...

Page 247: ...roubleshooting Reference Table Applicable Parts Example Print Imaging Unit PL4 0 13 Transfer Roller PL7 1 10 Toner Cartridge See consumables parts list Fuser PL11 0 18 Troubleshooting Procedure Table...

Page 248: ...tep 4 Go to step 4 4 Check the paper path Is there a foreign object or obstruction in the path Remove the object and reprint the test sheet If the problem persists go to step 5 Go to step 5 5 Inspect...

Page 249: ...the Imaging Unit Are there scratches or lines on the photo conductor surface Replace the Imaging Unit page 8 6 If the problem persists go to step 3 Go to step 3 3 Is the Transfer Roller damaged Repla...

Page 250: ...leshooting Procedure Table Step Actions and Questions Yes No 1 Inspect the Laser Unit Is the window surface dirty Carefully clean the window surface If the problem persists go to step 2 Go to step 2 2...

Page 251: ...PL13 0 20 Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Inspect the Imaging Unit Is the drive coupling to the machine dirty Clean Is the unit installed in the proper position If...

Page 252: ...ons and Questions Yes No 1 Check the media Is the paper damp or the incorrect media for the printer Replace with paper that meets the specifications for the printer If the problem persists go to step...

Page 253: ...paper damp or the incorrect media for the printer Replace with paper that meets the specifications for the printer If the problem persists go to step 2 Go to step 2 2 Replace the Imaging Unit page 8 6...

Page 254: ...reign object in the paper path Remove the obstruction If the problem persists go to step 2 Go to step 2 2 Inspect the Fuser Is the fusing entrance guide plate dirty or is the Fuser Roller dirty or scr...

Page 255: ...he main scanning direction Allow the printer to stand idle in an environment free of high humidity Go to step 2 2 Inspect the toner cartridge Is the drive mechanism clean Are the cartridges for each c...

Page 256: ...to step 6 6 Inspect the Fuser Are the rollers and drive mechanism dirty scratched or worn Replace the Fuser page 8 9 If problem persists then go to step 7 Go to step 7 7 Has the problem been eliminat...

Page 257: ...Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 page 6 32 Is the skew error present Go to step 7 Go to step 2 2 Does the paper feed through the ADF Go to step...

Page 258: ...p 8 8 Print Test Pattern 3 Does the defect persist Go to step 9 Complete 9 Check that the paper tray paper guides are set correctly Does the defect persist Go to step 10 Complete 10 Reseat the Imaging...

Page 259: ...estions Yes No 1 Print Test Pattern 3 page 5 7 Is the error present in only one color Replace the toner cartridge associated with the defect If the defect persists go to step 2 Go to step 2 2 Is the c...

Page 260: ...bleshooting Procedure Table Step Actions and Questions Yes No 1 Print Test Pattern 3 page 5 7 Is the error present in only one color Replace the toner cartridge associated with the defect If the defec...

Page 261: ...mm is used to measure skew 2 0 mm 0 08 in 1 5 mm 0 06 in 1 0 1 3 To measure skew measure the margin of the paper at the leading edge of each corner and then take the difference between them Duplex Ske...

Page 262: ...shooting Magnification Error Horizontal Simplex 234 mm 0 5 mm Horizontal Duplex 234 mm 0 8 mm Vertical Simplex 190 mm 0 5 mm Vertical Duplex 190 mm 0 8 mm Image Registration Leading Edge 2 5 mm 0 10 i...

Page 263: ...6 Chapter Adjustments and Calibrations In this chapter Adjust Function Procedures Service Mode Maintenance Mode...

Page 264: ...blem that may cause a defective image The density is properly selected The original glass or related part is dirty Correct paper is being used for printing The units parts and supplies used for printi...

Page 265: ...m Plain Paper Thick Envelope Tray1 Tray2 1 Tray1 1 Tray2 1 Simplex Pass Duplex Pass 1 Fuser Transfer Roller Plain Paper Plain Paper Thick Envelope Plain Paper Thin Cardstock Thick Cardstock Postcard E...

Page 266: ...rint Fax Counter 1 Scan Counter 1 Tray Counter Fixed Zoom Change Reduction2 Reduction 1 Expansion1 Expansion2 Paper Size Counter Paper Type Counter Application Count Factory Test Signal Test 1 Relay T...

Page 267: ...isplayed only when the lower feeder unit is installed Service Mode Menu Service Mode Parameter Go to Services s Choice Send TX Speed 1 page 6 9 Rcv RX Speed 1 page 6 9 Send TX Level 1 page 6 9 Rcv RX...

Page 268: ...2 Top Adjustment Plain Paper page 6 22 Thick Envelope Left Adj Front Tray1 page 6 23 Tray2 1 Left Adj Back Tray1 1 page 6 23 Tray2 1 Transfer Power Simplex Pass Plain Paper page 6 24 Thin Cardstock Th...

Page 269: ...oc Glass page 6 28 Doc Feeder Tray Counter Tray1 page 6 28 Tray2 1 Paper Size Counter page 6 28 Paper Type Counter page 6 28 Application Count Copy Print page 6 29 Fax Rx PRN 1 Report Prn Pc Print Fax...

Page 270: ...ern2 Pattern3 ADF Feed Test 1 page 6 35 Check Scan Window 1 page 6 35 Fax Res Copy Test 1 page 6 36 Scan Test page 6 36 Soft Switch page 6 36 Report Service Data List page 6 37 Error Code List 1 page...

Page 271: ...21600 19200 16800 V 17 14400 12000 9600 7200 V 29 9600 7200 V 27 4800 2400 Rcv RX Speed Sets the reception start speed Default Setting The default setting is V 34 33600 bps Available Settings Choose t...

Page 272: ...e Settings 49 to 36 dBm DTMF Level Dual tone output level Default Setting The default setting is 9 dBm Available Settings 17 to 2 dBm CNG Level Calling tone output level Default Setting The default se...

Page 273: ...A compression method MR A compression method MH The simplest compression method JBIG The most complex compression method that generates the smallest code Toner Empty Report Send a report when toner em...

Page 274: ...Default Setting The default setting is Off Available Settings Off Disable the T 30 communication report On Print a T 30 communication report after every Fax transmission On Error Print a T 30 communic...

Page 275: ...18 minutes Power Save Mode Set to activate Power Save mode when no print jobs have been received or Control Panel operation has not been made for a given period Default Setting The default setting is...

Page 276: ...scanning direction Note Adjust CIS Main Zoom after replacement of the Image Processor Board or Scanner Print Test Pattern 1 page 6 32 Adjust the width of D in the copy of Test Pattern 1 so that the f...

Page 277: ...2 through 6 Continue adjustment until the specification is met Note If the width of D in the copy of TP 1 is longer than the printed version decrease the setting If the width of D in the copy of TP 1...

Page 278: ...g then press the OK key 7 Check zoom adjustment by repeating steps 1 through 6 Continue adjustment until the specification is met Scan Main Regist To adjust for variations in the accuracy of IR parts...

Page 279: ...the OK button 6 Using the Up or Down Arrow buttons adjust the setting then press the OK button 7 Check registration adjustment by repeating steps 1 through 6 Continue adjustment until the specificati...

Page 280: ...out of specification adjust it according to the following procedure a Enter the Adjustment menu in the service mode b Select CIS Sub Regist and press the OK button c Using the Up and Down Arrow button...

Page 281: ...Adjustment Range 2 0 to 2 0 Step 0 4 Setting Procedure 1 Print Test Pattern 1 page 6 32 2 Enter the Adjustment menu in the service mode 3 Select ADF Sub Zoom and press the OK button 4 Place the test p...

Page 282: ...nt Feeder Unit is mounted Note Use this command after performing the Scanner Sub Zoom and the ADF Sub Zoom adjustments Adjustment Specification Adjust the amount that widths A and B in the copy of the...

Page 283: ...nning start position in the sub scanning direction when using the Automatic Document Feeder Use When the original glass is replaced or when a new Auto Document Feeder Unit is mounted Note Perform this...

Page 284: ...ower source use environment or similar reason Use Use when the fluorescent light flickers due to power source use environment or similar reason Setting ON OFF default Top Adjustment Function Adjusts t...

Page 285: ...press the OK button 3 Select desired adjustment amount with the Up and Down Arrow buttons and then press the OK button Left Adj Back Function Adjusts the left margin of media for double sided printin...

Page 286: ...decrease the ATVC value in the direction of a less foggy image increase the setting value Procedure 1 Select Transfer Power and press the OK button 2 Select Simplex Pass and press the OK button 3 Sel...

Page 287: ...ons and then press the OK button 4 Select desired setting value with the Up and Down Arrow buttons and then press the OK button Image Adj Param Function Adjusts the printer in case of an image quality...

Page 288: ...sfeed as a result of the curled paper occurs Curling occurs under varying environmental conditions or depending on the type of paper used Default Setting The default setting is 0 C Adjustment Range 10...

Page 289: ...placed with a new one To decrease the ATVC value in the direction of a less foggy image increase the setting value Procedure 1 Select BK Clear and press the OK button 2 Press the OK button to clear th...

Page 290: ...list of all copies faxes and pages printed Color Copy Displays the number of color copies made Color Print Displays the number of color printed pages produced Mono Copy Displays the number of monochro...

Page 291: ...o FTP Number of transmitting to FTP server Scan To SMB Number of transmitting to SMB Scan To USB Number of transmitting to USB memory Twain Number of transmitting to PCl USB TO Prn Number of sheets co...

Page 292: ...nter Function Displays the number of malfunctions detected Use When checking for the number of malfunctions detected Display Main F W Version Function Displays the version of the controller firmware U...

Page 293: ...ine BB CPLD Version Function Displays the version of the BB CPLD firmware Functional Tests Paper Feed Test Function To check the paper feeding in the paper take up transport sections without printing...

Page 294: ...In Service Mode select Function Prn Test Pattern 2 Select the tray that you want to test and then select the desired test pattern Pattern 1 Function To print the test pattern for adjusting the image...

Page 295: ...ion To print the test pattern for halftones and gradations Pattern 2 Use When checking density and pitch irregularities or when checking reproducibility of gradations Pattern 2 Procedure 1 Select the...

Page 296: ...attern 3 Function To print the test pattern for checking image density Pattern 3 Use To check for density level consistency of all four toner cartridges Pattern 3 Procedure 1 Select the paper tray 2 S...

Page 297: ...into the Automatic Document Feeder 2 Select Function ADF Feed Test and press OK 3 Press the Stop key to stop testing paper feeding Check Scan Window Function To check for dirt in the scanning section...

Page 298: ...the Menu key to begin the Fax Res CopyTest A printed copy is delivered to the output tray Scan Test Function To check the lighting of the Exposure Lamp and the movement of the Scanner Unit Use If the...

Page 299: ...e data list report and Error log history list Service Data List Includes the following items Communication History and Counter Adjust RX In Memory Main RAM Size ROM Id Retrieving the Service Data List...

Page 300: ...8 8K 000000 24 0K 000000 19 2K 000000 9 6K 000000 4 8K 000013 JBIG TX TIME 000261 TOTAL COUNTER 000113 COPY PRINT 00098 REPORT PRINT 000017 ECM TX TIME 000000 G3 RX PAGE 000000 V 17 12K 000000 V 17 7...

Page 301: ...and press the OK button T 30 Protocol List Function Print out T 30 or V8 protocol after communication with the following data SESSION Session number FUNCTION Function Name DESTINATION STATION Destinat...

Page 302: ...o that you wish to change and press the OK button 4 Use the 10 Key Pad to type in the following metric or inch fixed zoom ratio Metric Values Inch Values Setting name Initial zoom ratio Setting range...

Page 303: ...his test is for factory adjustment only Sensor Test This test is for factory adjustment only Dial Test This test is for factory adjustment only Volume Test Checks the volume of the speaker Panel Speak...

Page 304: ...are not included in any reports or lists Make a note of them separately After SRAM Clear has been executed reenter the recorded data Memory Clear Function To clear the settings for the functions list...

Page 305: ...6 9 For a description of the Adjustment menu items found in the Service Mode Adjustment menu see page 6 14 Caution Ensure appropriate security for the Maintenance Mode entry procedure NEVER give it to...

Page 306: ...6 44 Phaser 6121MFP Service Manual Adjustments and Calibrations...

Page 307: ...7 Chapter Cleaning and Maintenance In this chapter Maintenance Summary Cleaning Maintenance Procedures...

Page 308: ...steps as indicated by the printer s operating environment Caution Never apply alcohol or other chemicals to any parts of the printer Never use a damp cloth to clean up toner If you remove the Imaging...

Page 309: ...nfiguration and Error History pages diagnose and repair any problems as indicated Check the printer engine and image processor firmware fans if necessary clean dust or vacuum these areas Check cleanli...

Page 310: ...7 4 Phaser 6121MFP Service Manual Cleaning and Maintenance Clean the Scanner Glass 1 Lift the scanner cover 2 Clean the glass with a clean soft cloth s6128mfp 030...

Page 311: ...Phaser 6121MFP Service Manual 7 5 Cleaning and Maintenance Feed Roller 1 Open the Top Cover 2 Remove the Imaging Unit page 8 6 s6121mfp 021...

Page 312: ...ntal and place it where it can not become dirty Note Do not leave the Imaging Unit removed for more than 15 minutes and do not place the removed Imaging Unit in a location where it is exposed to direc...

Page 313: ...Window 1 At the main menu press the Menu button 2 Press the Down Arrow and select Replace Toner 3 Press the Down Arrow and select Clean Laser Lens 4 Follow the instructions on the control panel and c...

Page 314: ...rvice Manual Cleaning and Maintenance ADF Retard Roller and Feed Roller 1 Open the ADF Top Cover 2 Wipe the Retard Roller and the Feed Roller clean of dirt using a soft cloth dampened with water s6121...

Page 315: ...Phaser 6121MFP Service Manual 7 9 Cleaning and Maintenance ADF Pick Pad 1 Open the ADF Top Cover 2 Wipe the ADF Pick Pad clean of dirt using a soft cloth dampened with water s6121mfp 203 s6121mfp 310...

Page 316: ...7 10 Phaser 6121MFP Service Manual Cleaning and Maintenance 500 Sheet Feeder Paper Pick up Roller 1 Lift the printer main body and then remove the 500 Sheet Feeder Unit from the printer s6121mfp 293...

Page 317: ...Phaser 6121MFP Service Manual 7 11 Cleaning and Maintenance 2 Wipe the Paper Pick up Roller clean of dirt using a soft cloth dampened with water s6121mfp 294...

Page 318: ...7 12 Phaser 6121MFP Service Manual Cleaning and Maintenance Duplexer Transport Rollers 1 Open the duplex door s6121mfp 031...

Page 319: ...Phaser 6121MFP Service Manual 7 13 Cleaning and Maintenance 2 Using a soft cloth dampened with water wipe the transport rollers clean of dirt s6121mfp 032...

Page 320: ...eed Rollers Note This procedure is only valid if the Duplex Attachment is installed on the printer 1 Lift the main printer body off of the Duplex Attachment see page 7 10 2 Using a soft cloth dampened...

Page 321: ...8 Chapter Service Parts Disassembly In this chapter Overview Maintenance Items and Consumables Covers Disassembly Procedures Electrical Solenoids and Sensors 500 Sheet Feeder Tray Duplex Unit...

Page 322: ...procedure In some instances additional steps are necessary and are provided for replacement of the parts For specific assemblies and parts refer to the Parts List in Chapter 9 Standard Orientation of...

Page 323: ...sconnect all cables from the printer 4 Remove these items a Tray 1 b Imaging Unit page 8 6 c Fuser page 8 9 d Toner Cartridges page 8 20 Caution Many parts are secured by plastic tabs DO NOT over flex...

Page 324: ...sassembly procedure being performed The notation PLX X X indicates that this component is listed in the Parts List Bold arrows in an illustration show direction of movement when removing or replacing...

Page 325: ...tapped threads Always use the correct type and size screw Using the wrong screw can damage tapped holes Do not use excessive force to remove or install either a screw or a printer part Posi Drive Scre...

Page 326: ...l Service Parts Disassembly Maintenance Items and Consumables Maintenance items include the Imaging Unit Fuser and Feed Roller Consumables consist of the four Toner Cartridges Imaging Unit PL4 0 13 1...

Page 327: ...Phaser 6121MFP Service Manual 8 7 Service Parts Disassembly 2 Remove the Imaging Unit s6121mfp 197...

Page 328: ...ng Unit as shown Note Keep the Imaging Unit horizontal and place it where it can not become dirty Note Do not leave the Imaging Unit removed for more than 15 minutes and do not place the removed Imagi...

Page 329: ...Phaser 6121MFP Service Manual 8 9 Service Parts Disassembly Fuser PL11 0 18 Warning Allow the Fuser to cool before servicing the printer 1 Lift the Top Cover s6121mfp 021...

Page 330: ...Pull up the levers to unlock the fuser and then remove it Replacement Note If the Fuser being replaced has reached end of life Reset the Fuser counter in the service menu It is highly recommended tha...

Page 331: ...Phaser 6121MFP Service Manual 8 11 Service Parts Disassembly Feed Roller PL6 0 1 1 Open the Top Cover 2 Remove the Imaging Unit page 8 6 s6121mfp 021...

Page 332: ...anual Service Parts Disassembly 3 Remove the Feed Roller Separation Pad PL6 0 7 1 Remove the Lifting Plate Assembly page 8 43 2 Remove the Separation Pad 3 Remove the spring and install it on the new...

Page 333: ...Phaser 6121MFP Service Manual 8 13 Service Parts Disassembly ADF Pick up Roller PL1 1 3 1 Open the ADF Top Cover 2 Unsnap the 2 clips on the ADF Pick up Roller shaft s6121mfp 203 s6121mfp 368...

Page 334: ...21MFP Service Manual Service Parts Disassembly 3 Unsnap the ADF Pick up Roller shaft from the assembly and remove the roller from the shaft ADF Feed Roller PL1 1 4 1 Open the ADF Top Cover s6121mfp 36...

Page 335: ...Phaser 6121MFP Service Manual 8 15 Service Parts Disassembly 2 Remove the C ring from the end of the shaft and remove the gear assembly s6121mfp 345...

Page 336: ...8 16 Phaser 6121MFP Service Manual Service Parts Disassembly 3 Pull up on the bushing tab and rotate the bushing clockwise until you can pull the bushing off of the shaft s6121mfp 346...

Page 337: ...vice Parts Disassembly 4 Remove 2 C clips as shown 5 Slide the roller and gears in the direction of the arrow 6 Rotate the shaft until you can see the pin sticking through the shaft 7 Carefully remove...

Page 338: ...ser 6121MFP Service Manual Service Parts Disassembly 8 Slide the shaft out of the ADF Top Cover until you can remove the ADF Feed Roller ADF Pick Pad PL1 2 9 1 Open the ADF Top Cover s6121mfp 354 s612...

Page 339: ...Phaser 6121MFP Service Manual 8 19 Service Parts Disassembly 2 Squeeze the tabs on the ADF Pick Pad and remove it s6121mfp 204...

Page 340: ...rtridges Manually on page 8 23 1 At the main menu press the Menu button 2 Press the Down arrow button and select Replace Toner 3 Press the Down arrow button and select Toner Change 4 Select the toner...

Page 341: ...aser 6121MFP Service Manual 8 21 Service Parts Disassembly 7 Shake the cartridge a few times to distribute the toner Note Do not tip the toner cartridge to a vertical position s6121mfp 312 s6121mfp 31...

Page 342: ...tective cover 9 Aligning the shaft on both sides of the Toner Cartridge with the rails in the machine install the cartridge 10 Press down on the Toner Cartridge until it snaps into place 11 Close the...

Page 343: ...ser 6121MFP Service Manual 8 23 Service Parts Disassembly Replacing Toner Cartridges Manually Use this procedure to replace toner cartridges when the printer is turned off 1 Open Front Cover s6121mfp...

Page 344: ...Service Parts Disassembly 2 Press and hold the rack release lever and then rotate the rack until the toner cartridge is easily removed Caution When rotating the rack do not touch the Developing Rolle...

Page 345: ...Phaser 6121MFP Service Manual 8 25 Service Parts Disassembly 3 Hold onto the handle pull it and remove the Toner Cartridge s6121mfp 023...

Page 346: ...26 Phaser 6121MFP Service Manual Service Parts Disassembly 4 Shake the cartridge a few times to distribute the toner Note Do not tip the toner cartridge to a vertical position s6121mfp 312 s6121mfp 31...

Page 347: ...Remove the protective cover 6 Aligning the shaft on both sides of the Toner Cartridge with the rails in the machine install the cartridge 7 Press down on the Toner Cartridge until it snaps into place...

Page 348: ...nual Service Parts Disassembly Covers Rear Cover PL3 0 15 1 Remove 5 screws metal 8mm that secure the rear cover Left Side Cover PL 3 0 12 1 Remove the rear cover page 8 28 2 Open the top cover 3 Open...

Page 349: ...ser 6121MFP Service Manual 8 29 Service Parts Disassembly 4 Remove 2 screws metal 10 mm that secure the left side cover Right Side Cover PL 3 0 1 1 Open the top cover 2 Open the front cover s6121mfp 0...

Page 350: ...Disassembly 3 Remove 3 screws metal 10 mm that secure the right side cover ADF Rear Cover PL 1 1 5 1 Open the ADF top cover 2 Remove 1 screw silver tap 10 mm and squeeze the ADF top cover to unhook th...

Page 351: ...page 8 28 2 Remove the Left Side Cover page 8 28 3 Remove the Right Side Cover page 8 29 4 On the Image Processor Board disconnect the 2 flat cables at P J6 and P J7 and release them from the cable g...

Page 352: ...8 32 Phaser 6121MFP Service Manual Service Parts Disassembly 6 On the Engine Control Board remove connector PJ24 and remove the harness from the harness guide s6121mfp 208 P J24...

Page 353: ...nual 8 33 Service Parts Disassembly 7 Remove the screw metal 6mm and remove the harness band 8 On the right side of the printer remove the ground wire screw metal 6mm with lock washer and flat washer...

Page 354: ...8 34 Phaser 6121MFP Service Manual Service Parts Disassembly 9 Remove the e ring 10 Remove the arm and the spring from the notch on the plate s6121mfp 211 s6121mfp 210...

Page 355: ...Phaser 6121MFP Service Manual 8 35 Service Parts Disassembly 11 Remove the screw metal 6mm and the stopper s6121mfp 212...

Page 356: ...8 36 Phaser 6121MFP Service Manual Service Parts Disassembly 12 On the left side of the printer remove the e ring and the arm and then remove the spring from the notch on the plate s6121mfp 213...

Page 357: ...Phaser 6121MFP Service Manual 8 37 Service Parts Disassembly 13 Remove the screw metal 6mm and the stopper 14 Remove the Upper Rear Cover s6121mfp 215 s6121mfp 337...

Page 358: ...move the cable clamp screw metal 6mm 16 Unlace the harnesses from the guide Note Note the orientation of the harnesses through the guide 17 Lift the Scanner slightly and then unhook the tab and remove...

Page 359: ...gh the second harness guide before putting the scanner back on the printer Replacement Note When replacing the scanner you must transfer the following parts from the old assembly to the new scanner be...

Page 360: ...vice Manual Service Parts Disassembly 3 Remove the harnesses from the harness guide 4 Remove the screw metal 8mm and remove the arm unit 5 Repeat step 4 to remove the arm unit on the opposite side s61...

Page 361: ...Phaser 6121MFP Service Manual 8 41 Service Parts Disassembly 6 Remove 6 screws metal 8mm and remove the Scanner Unit Lower Cover Assembly s6121mfp 339...

Page 362: ...8 42 Phaser 6121MFP Service Manual Service Parts Disassembly 7 Remove the clamp from the Sensor Harness 8 Pull the harnesses through the scanner unit and remove the ADF s6121mfp 355...

Page 363: ...rts Disassembly Lifting Plate Assembly PL6 0 35 1 Remove the Rear Side Cover page 8 28 2 Remove the Left Side Cover page 8 28 3 Remove the Right Side Cover page 8 29 4 Remove the Scanner page 8 31 5 L...

Page 364: ...8 44 Phaser 6121MFP Service Manual Service Parts Disassembly 6 Remove 4 screws metal 6mm and remove the bottom plate Note Be careful to not lose the Lifting Plate springs s6121mfp 219...

Page 365: ...Phaser 6121MFP Service Manual 8 45 Service Parts Disassembly 7 Remove 2 screws metal 8mm and remove the Lifting Plate Assembly s6121mfp 188...

Page 366: ...e Rear Side Cover page 8 28 2 Remove the Left Side Cover page 8 28 3 Remove the Right Side Cover page 8 29 4 Remove the Scanner page 8 31 5 Remove the Lifting Plate Assembly page 8 43 6 Remove the 2 p...

Page 367: ...6121MFP Service Manual 8 47 Service Parts Disassembly 8 Disconnect CN1 on the High Voltage Board and guide the harness through the printer frame and through the frame on the opposite side s6121mfp 31...

Page 368: ...48 Phaser 6121MFP Service Manual Service Parts Disassembly 9 Remove 4 screws one metal 6mm and three metal 8mm 2 screws are located on each side of the printer s6121mfp 221 8 mm s6121mfp 222 6 mm 8 m...

Page 369: ...Phaser 6121MFP Service Manual 8 49 Service Parts Disassembly 10 Remove the Feeder Note You may have to gently flex the printer frame to remove the feeder s6121mfp 357...

Page 370: ...e Imaging unit page 8 6 2 Remove the Rear Side Cover page 8 28 3 Remove the Left Side Cover page 8 28 4 Remove the Right Side Cover page 8 29 5 Remove the High Voltage Board page 8 57 6 Remove the Ton...

Page 371: ...Phaser 6121MFP Service Manual 8 51 Service Parts Disassembly 8 Disconnect P J18 and P J19 from the Engine Control Board s6121mfp 239 P J18 P J19...

Page 372: ...8 52 Phaser 6121MFP Service Manual Service Parts Disassembly 9 Remove the screw metal 8mm and then remove the guide 10 Remove 2 screws metal 8mm 11 Remove a toner cartridge s6121mfp 323 s6121mfp 324...

Page 373: ...Parts Disassembly 12 Press and hold the rack release lever and then rotate the rack until you have access to the screw shown in the next step Caution When rotating the rack do not touch the Developin...

Page 374: ...er 6121MFP Service Manual Service Parts Disassembly 13 Remove the screw metal 8mm and then remove the Laser Unit Electrical Control Panel PL2 0 5 1 Gently lift the control panel bezel s6121mfp 325 s61...

Page 375: ...Phaser 6121MFP Service Manual 8 55 Service Parts Disassembly 2 Remove 3 screws silver tap 10 mm that secure the control panel 3 Disconnect CN701 from the Control Panel s6121mfp 012 s6121mfp 013...

Page 376: ...ervice Parts Disassembly Transfer Roller PL7 1 10 1 Remove the Imaging Unit page 8 6 2 Remove the Transfer Roller by squeezing the white tabs of the holders located on both sides and then pull out the...

Page 377: ...with a new one 1 Reset the Transfer Roller counter in the service menu See page 6 27 2 It is highly recommended that the Feed and Separator Rollers be replaced also High Voltage Board PL13 0 6 1 Remo...

Page 378: ...and remove the High Voltage Board Replacement Note When replacing the High Voltage Board 1 Ensure that the board is installed underneath all four tabs See step 4 2 Use the correct screws on each side...

Page 379: ...rvice Manual 8 59 Service Parts Disassembly Engine Control Board PL13 0 20 1 Remove the Rear Cover page 8 28 2 Remove the Left Side Cover page 8 28 3 Disconnect all connectors on the Engine Control Bo...

Page 380: ...8 60 Phaser 6121MFP Service Manual Service Parts Disassembly 4 Remove 4 screws metal 6mm and remove the Engine Control Board s6121mfp 233...

Page 381: ...t Note When the Engine Control Board is replaced remount parameter chip IC9 Remove the chip from the old Engine Control Board and mount it on the new Engine Control Board Align the notch on the chip w...

Page 382: ...ser 6121MFP Service Manual Service Parts Disassembly Fax Board 13 0 30 1 Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page 8 29 3 Disconnect connector P J1 on the Fax Board P J1 s6121...

Page 383: ...Phaser 6121MFP Service Manual 8 63 Service Parts Disassembly 4 Unhook the tab and remove the harness guide s6121mfp 242...

Page 384: ...8 64 Phaser 6121MFP Service Manual Service Parts Disassembly 5 Disconnect P J6 and P J7 on the Image Processor Board P J7 P J6 s6121mfp 241...

Page 385: ...Phaser 6121MFP Service Manual 8 65 Service Parts Disassembly 6 Remove 4 screws metal 6mm and remove the Fax Board s6121mfp 243...

Page 386: ...Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page 8 29 3 Remove the Engine Control Board page 8 59 4 Remove the Fax Board page 8 62 5 Remove 2 screws metal 6mm and remove the bracket...

Page 387: ...Phaser 6121MFP Service Manual 8 67 Service Parts Disassembly 7 Remove the screw metal 6mm flangeless from the USB connector s6121mfp 251...

Page 388: ...8 68 Phaser 6121MFP Service Manual Service Parts Disassembly 8 Remove 2 screws metal 6mm and remove the bracket 9 Remove the 4 remaining screws metal 6mm and remove the board s6121mfp 249 s6121mfp 252...

Page 389: ...placed the setting values for the following items are cleared Enter new setting values in the service mode The new setting values are set at shipment and those values are shown on the label located in...

Page 390: ...e Manual Service Parts Disassembly USB Board PL13 0 8 1 Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page 8 29 3 Remove the Fax Board page 8 62 4 Disconnect CN1 from the Image Process...

Page 391: ...Phaser 6121MFP Service Manual 8 71 Service Parts Disassembly 5 Remove the harness from the 2 wire saddles 6 Remove 2 screws metal 6mm and remove the USB Board s6121mfp 235 s6121mfp 236...

Page 392: ...1 Remove the Rear Cover page 8 28 2 Remove the Left Side Cover page 8 28 3 Remove the Right Side Cover page 8 29 4 Remove the Engine Control Board page 8 59 5 Remove the Image Processor Board page 8 6...

Page 393: ...e Manual 8 73 Service Parts Disassembly 7 Open the wire guides and unlace the Front Door Switch wires from the guides 8 Remove 2 screws metal 6mm with lock washer and washer from the power switch s612...

Page 394: ...8 74 Phaser 6121MFP Service Manual Service Parts Disassembly 9 Disconnect connectors CN9 CN10 from the power switch s6121mfp 349...

Page 395: ...Phaser 6121MFP Service Manual 8 75 Service Parts Disassembly 10 Disconnect connector CN13 s6121mfp 350 CN3...

Page 396: ...6 Phaser 6121MFP Service Manual Service Parts Disassembly 11 Remove 2 screws metal 6mm with lock washer and washer and remove plate 12 Remove the harnesses and the harness guide s6121mfp 250 s6121mfp...

Page 397: ...Phaser 6121MFP Service Manual 8 77 Service Parts Disassembly 13 Remove the screw metal 6mm and remove the harness band s6121mfp 351...

Page 398: ...121MFP Service Manual Service Parts Disassembly 14 Remove 4 screws metal 6mm with lock washer and flat washer and 1 screw metal 8mm and pull out the power supply unit s6128mfp 260 8mm 6mm 6mm 6mm 6mm...

Page 399: ...ssembly Speaker PL13 0 5 1 Remove the Right Side Cover page 8 29 2 Disconnect connector CN8 and remove 2 screws metal 6mm to remove the speaker Main Motor PL9 1 6 1 Remove the Left Cover page 8 28 2 R...

Page 400: ...Phaser 6121MFP Service Manual Service Parts Disassembly 3 Remove the harness from 2 wire saddles 4 Remove 3 screws metal 6mm with washer and lock washer and remove the cover plate s6121mfp 271 s6121mf...

Page 401: ...MFP Service Manual 8 81 Service Parts Disassembly 5 Remove 3 screws metal 6mm with washer and lock washer and then remove the harness from the harness guide 6 Unlock the motor cover tab s6121mfp 352 s...

Page 402: ...8 82 Phaser 6121MFP Service Manual Service Parts Disassembly 7 Remove the motor cover s6121mfp 359...

Page 403: ...Phaser 6121MFP Service Manual 8 83 Service Parts Disassembly 8 Disconnect P J37 and remove the Main Motor s6121mfp 353 P J37...

Page 404: ...6121MFP Service Manual Service Parts Disassembly Developing Motor PL5 1 5 1 Remove the Left Cover page 8 28 2 Remove the harness guide screw metal 6mm and then remove the harness and harness guide s6...

Page 405: ...Phaser 6121MFP Service Manual 8 85 Service Parts Disassembly 3 Remove the spring s6121mfp 255...

Page 406: ...8 86 Phaser 6121MFP Service Manual Service Parts Disassembly 4 Remove 2 E rings belt 2 gears and bearing s6121mfp 256...

Page 407: ...121MFP Service Manual 8 87 Service Parts Disassembly 5 Remove the 2 lever covers held in by hooks on 2 sides and pull the 2 levers up and out to remove 6 Slide out the motor assembly s6121mfp 257 s612...

Page 408: ...8 88 Phaser 6121MFP Service Manual Service Parts Disassembly 7 Remove 2 screws metal 6mm and disconnect connector and remove the Developing Motor s6121mfp 259...

Page 409: ...ssembly Power Supply Fan Motor PL12 0 11 1 Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page 8 29 3 Remove the High Voltage Board page 8 57 4 Remove 2 screws metal 6mm with lock washe...

Page 410: ...8 90 Phaser 6121MFP Service Manual Service Parts Disassembly 5 Disconnect connectors CN9 and CN10 from the power switch s6121mfp 349...

Page 411: ...Phaser 6121MFP Service Manual 8 91 Service Parts Disassembly 6 Disconnect connector CN13 s6121mfp 350 CN3...

Page 412: ...8 92 Phaser 6121MFP Service Manual Service Parts Disassembly 7 Remove the harness from the wire saddle s6121mfp 262...

Page 413: ...Phaser 6121MFP Service Manual 8 93 Service Parts Disassembly 8 Remove the screw metal 6mm and take out the motor assembly s6121mfp 263...

Page 414: ...8 94 Phaser 6121MFP Service Manual Service Parts Disassembly 9 Unhook the 2 tabs and remove the fan motor s6121mfp 363...

Page 415: ...t Guide Assembly Ventilation Fan Motor PL7 2 21 and PL7 2 20 1 Slide out the Power Supply assembly steps 1 through 11 on page 8 72 2 Remove 2 screws and remove the Ventilation Fan Motor Assembly 3 Unh...

Page 416: ...Parts Disassembly Exit Tray Cooling Fan PL8 0 22 1 Remove the Scanner Unit page 8 31 2 Remove the ADF Unit page 8 39 3 Remove the screw metal 8mm and remove the arm unit 4 Repeat step 3 and remove the...

Page 417: ...ts Disassembly 5 Remove 6 screws metal 8mm and remove the Scanner Unit Lower Cover Assembly 6 Remove the connector and move the fixing members in the direction of the arrows to remove the Exit Tray Co...

Page 418: ...8 98 Phaser 6121MFP Service Manual Service Parts Disassembly Paper Path Guide Assembly PL7 2 22 1 Remove the Feeder page 8 46 2 Remove the screw metal 6mm and unhook the guide s6121mfp 341...

Page 419: ...emove the Rear cover page 8 28 2 Remove the Right Side cover page 8 29 3 Unlace the USB cable from the guide 4 Remove the screw metal 6mm from the guide 5 Disconnect the 2 Front Door Switch wires from...

Page 420: ...r 6121MFP Service Manual Service Parts Disassembly Solenoids and Sensors Tray 1 Feed Solenoid PL6 0 19 1 Remove the Feeder page 8 46 2 Remove the screw metal 8mm and remove the Tray 1 Feed Solenoid s6...

Page 421: ...Phaser 6121MFP Service Manual 8 101 Service Parts Disassembly Registration Roller Solenoid PL6 0 19 1 Remove the Left Side Cover page 8 28 2 Remove the harness from the 2 wire saddles s6121mfp 271...

Page 422: ...ervice Parts Disassembly 3 Remove 3 screws metal 6mm with washer and lock washer and remove the covering plate 4 Remove the screw metal 6mm and disconnect connector CN3 to remove the Registration Roll...

Page 423: ...Solenoid PL9 1 9 1 Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page 8 29 3 Remove the Left Side Cover page 8 28 4 Remove the Scanner page 8 31 5 Disconnect all harnesses from the Eng...

Page 424: ...remove the screw metal 6mm flangeless that secures the Image Transfer Solenoid to the chassis Cleaning Blade Solenoid SD5 PL9 2 24 1 Remove the Rear Cover page 8 28 2 Remove the Right Side Cover page...

Page 425: ...105 Service Parts Disassembly 5 Remove 5 screws metal 6mm from the left side hinge plate 6 Disconnect connector CN6 and remove the screw metal 8mm that secures the Cleaning Blade Solenoid to the chass...

Page 426: ...06 Phaser 6121MFP Service Manual Service Parts Disassembly Humidity Sensor Registration Sensor PL7 2 9 PL7 2 3 1 Remove the Feeder page 8 46 2 Remove the screw metal 6mm and unhook the guide s6121mfp...

Page 427: ...umidity Sensor a Disconnect P J41 from the Humidity Sensor b Push the hook away from the sensor lift the sensor off of the boss and away from the tabs to remove it 4 To remove the Registration Sensor...

Page 428: ...Phaser 6121MFP Service Manual Service Parts Disassembly Duplex Unit Transport Sensor PL14 1 7 1 Remove the Duplex Unit page 8 110 2 Disconnect P J52 and then remove the Transport Sensor s6121mfp 377...

Page 429: ...Sheet Feeder Tray 500 Sheet Feeder Tray PL15 0 Caution Whenever removing or reinstalling the feeder unplug the power cord of the printer from the power outlet first 1 Lift the printer main body and th...

Page 430: ...8 110 Phaser 6121MFP Service Manual Service Parts Disassembly Duplex Unit Duplex Unit PL14 1 1 Open the Duplex Cover 2 Turn 2 locking screws to unlock the Duplex Unit s6121mfp 301...

Page 431: ...Phaser 6121MFP Service Manual 8 111 Service Parts Disassembly 3 Push the lever and remove the Duplex Unit s6121mfp 302...

Page 432: ...8 112 Phaser 6121MFP Service Manual Service Parts Disassembly...

Page 433: ...9 Chapter Parts List In this chapter Serial Number Format Using the Parts List Parts List Index Part Lists Duplex Unit 500 Sheet Tray Option Xerox Supplies and Accessories...

Page 434: ...he format PPPRSSSSS PPP Three digit alphanumeric product code R Single digit numeric revision digit 0 9 This is changed when the ending serial number is reached or when a major product change occurs S...

Page 435: ...parent assembly made up of the individual parts called out in parentheses The notation with X Y following a part name indicates an assembly that is made up of components X through Y For example 1 with...

Page 436: ...3 0 External Parts 9 12 PL 4 0 Main Frame 9 14 PL 5 0 Rack Rack Drive 9 16 PL 6 0 Paper Take up Section 9 20 PL 7 0 Transfer Section 9 22 PL 8 0 Paper Exit Section 9 26 PL 9 0 Drive 9 28 PL 10 0 Right...

Page 437: ...Phaser 6121MFP Service Manual 9 5 Parts List...

Page 438: ...9 6 Phaser 6121MFP Service Manual Parts List Part List 1 1 Automatic Document Feeder 1 2 ADF Unit 1 2 3 4 5 6 a A P 2 s6121mfp 050...

Page 439: ...ice Manual 9 7 Parts List Part List 1 1 Automatic Document Feeder 1 2 Item Part Name Part Number 1 Top Cover 848E56890 2 Tray Assembly 3 Pick up Roller 059E11000 4 Feed Roller 059E10990 5 Rear Cover 6...

Page 440: ...9 8 Phaser 6121MFP Service Manual Parts List Part List 1 2 Automatic Document Feeder 2 2 ADF Unit M100 REYB 1 1 2 3 3 3 3 3 3 4 5 6 7 8 9 10 10 11 a b s6121mfp 051 A...

Page 441: ...al 9 9 Parts List Part List 1 2 Automatic Document Feeder Item Part Name Part Number 1 Hinge 2 Cover Assembly 3 Sponge 4 Pad 5 Hinge 6 Roller 7 Roller 8 Paper Take Up Assembly 9 Pick Pad Assembly 019E...

Page 442: ...9 10 Phaser 6121MFP Service Manual Parts List Part List 2 0 Scanner IR Section M101 1 2 5 6 7 7 7 7 8 8 10 19 18 17 16 9 4 11 12 13 14 3 a a s6121mfp 052 15...

Page 443: ...1 Assembly 848K42910 Control Panel 4in1 Assembly 848K42920 6 Cover Assembly XC Cover Assembly XC 7 Sheet XC 8 Vibration Proof Part 9 Flat Cable 10 Shaft 11 Driving Assembly 12 Tape 13 CIS Assembly 14...

Page 444: ...9 12 Phaser 6121MFP Service Manual Parts List Part List 3 0 External Parts 1 3 4 2 5 8 9 14 15 16 17 18 7 19 c c a c b 6 5 6 10 11 12 13 s6121mfp 053...

Page 445: ...c Screw1 metal tap 10 mm 826E54980 1 Right Cover 848E56900 2 Sheet 3 Cover 4 Cover F Upper Assembly 5 Lever1 011E25460 6 Torsion Coil spring1 809E95490 7 Tray Cover 848E56940 8 Label 9 Tray 10 Label...

Page 446: ...9 14 Phaser 6121MFP Service Manual Parts List Part List 4 0 Main Frame Section s6121mfp 054 PS3 1 2 3 4 5 6 6 7 6 6 8 9 10 11 12 c b a d a e c f e b...

Page 447: ...e Kit see page 9 54 826E54960 c Screw1 826E54970 e Screw1 826E54980 1 Cover 2 Laser Unit 033K04760 3 Mounting Plate 4 Mounting Plate 5 Wiring2 2 Included in Wiring Kit see page 9 55 6 Rubber Foot 7 Fr...

Page 448: ...9 16 Phaser 6121MFP Service Manual Parts List Part List 5 1 Rack Rack Drive Section 1 2 M3 PS5 M2 1 2 2 3 4 4 5 6 7 9 10 8 11 12 b b a a a c s6121mfp 056...

Page 449: ...t Number b Screw1 1 Included in Hardware Kit see page 9 54 826E54980 c Pin1 115E13100 1 Torsion Coil spring 2 Guide1 032E40590 3 Guide 4 Spacer1 014E68450 5 Developing Motor 127E16780 6 Gear 63T 7 Gea...

Page 450: ...9 18 Phaser 6121MFP Service Manual Parts List Part List 5 1 Rack Rack Drive Section 2 2 1 2 3 4 5 5 5 5 6 6 6 6 7 8 9 10 11 12 13 14 b c c c c d b a e e s6121mfp 055...

Page 451: ...Included in Hardware Kit see page 9 54 826E54980 b E ring1 115E13090 e Pin1 115E13100 1 Shaft 2 Hold Part HK 3 Pulling Coil Spring1 809E95500 4 Bushing1 013E42740 5 Fixing Plate Assembly 6 Gear 13T 7...

Page 452: ...er 6121MFP Service Manual Parts List Part List 6 0 Paper Take up Section SD1 1 2 3 4 5 5 6 7 8 9 10 11 12 14 14 13 16 17 18 19 21 20 22 23 24 25 26 27 28 29 30 31 32 33 33 34 34 35 36 15 a b b b b s61...

Page 453: ...pring1 1 Included in Hardware Kit see page 9 54 809E95520 15 Wiring2 see Wiring Kit on page 9 55 2 Included in Wiring Kit see page 9 55 16 Cam 17 Lever 18 Protection Part 19 Tray 1 Paperfeed Solenoid...

Page 454: ...9 22 Phaser 6121MFP Service Manual Parts List Part List 7 1 Transfer Section 1 2 1 2 3 4 5 5 6 7 8 9 9 10 11 12 13 15 16 17 18 19 20 14 a b s6121mfp 058...

Page 455: ...umber 1 Contact 2 Wiring 3 Contact 4 Contact 5 Pressure Spring 6 Roll 7 Holder 8 Bushing 9 Spacer 10 Transfer Roller 11 Guide Plate 12 Neutralizing Member 13 Contact 14 Contact 15 Contact 16 Contact 1...

Page 456: ...9 24 Phaser 6121MFP Service Manual Parts List Part List 7 2 Transfer Section 2 2 PS2 TEM HUMS FM2 SD4 1 2 3 4 5 6 7 8 9 14 15 16 17 18 19 20 21 22 a a b c 10 11 23 12 13 s6121mfp 059...

Page 457: ...ator 5 Torsion Coil Spring 6 Seal Front 7 Filter 8 Seal Rear 9 Humidity Sensor 130E18300 10 2nd Image Transfer Solenoid See 23 11 Protection Part 12 Compressing Spring 13 Seal 14 Lever 15 Plate Spring...

Page 458: ...Phaser 6121MFP Service Manual Parts List Part List 8 0 Paper Exit Section FM4 PS16 c 1 2 3 4 4 5 9 6 7 8 1 5 6 7 8 11 10 11 10 12 13 14 15 16 17 18 19 20 21 22 23 D b b c b b a a a a b b b a a s6121mf...

Page 459: ...E20270 2 Ground Spring 3 Actuator 4 Holding Guide 5 Pulling Coil spring 6 Holder 7 Compressing Coil Spring 8 Holder 9 Balancer Right 10 Rail 11 Plate Spring 12 Paper Exit Tray 13 Lever Right 14 Guide...

Page 460: ...9 28 Phaser 6121MFP Service Manual Parts List Part List 9 1 Drive Section 1 2 SD2 M1 1 2 3 4 5 7 6 8 10 9 11 12 21 13 14 15 17 16 18 19 20 a b c d s6121mfp 061...

Page 461: ...25T 5 Gear 34 35T 6 Main Motor 127E16800 7 Gear 91T 8 Lever 9 Registration Roller Solenoid 10 Compressing Coil spring 11 Seal 12 Gear 91T 13 Mounting Plate Assembly 14 Gear 20 117T 15 Gear 28 91T 16 W...

Page 462: ...9 30 Phaser 6121MFP Service Manual Parts List Part List 9 2 Drive Section 2 2 SD5 1 2 3 4 5 6 7 8 9 10 11 12 12 13 14 15 16 17 18 19 20 21 22 23 25 24 a s6121mfp 062...

Page 463: ...Left 5 Torsion Coil Spring 6 Mounting Plate 7 Ratchet 8 Gear 52T 9 Lever 10 Lever 11 Pulling Spring 12 Gear 17T 13 Gear 54 42T 14 Compressing Spring 15 Gear 45T 16 Gear 45T 17 Gear 27 40T 18 Cam 19 L...

Page 464: ...9 32 Phaser 6121MFP Service Manual Parts List Part List 10 0 Right Guide Section 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 a a a s6121mfp 063...

Page 465: ...sion Coil spring Right 4 Lever 5 Contact 6 Fixing Lever Right 7 Plate Spring Right 8 Guide Left 9 Holder 10 Contact1 1 Included in Hardware Kit see page 9 54 115E13120 11 Contact 12 Guide 13 Fixing Le...

Page 466: ...9 34 Phaser 6121MFP Service Manual Parts List Part List 11 0 Fuser PS4 6 6 6 6 1 2 3 4 4 4 5 7 8 9 10 11 12 14 13 15 16 17 18 b a s6121mfp 064...

Page 467: ...Name Part Number 1 Seal 2 Reinforce Plate 3 Holder 4 Bushing 5 Paper Exit Roller 6 Roll 7 Gear 32 29T 8 Gear 16 16T 9 Lever 10 Pulling Coil spring 11 Spring 12 Torsion Coil spring 13 Actuator 14 Seal...

Page 468: ...9 36 Phaser 6121MFP Service Manual Parts List Part List 12 0 Cooling Section a FM1 MS2 SW5 1 2 3 4 5 6 7 8 9 10 11 12 13 16 14 15 b a c s6121mfp 065...

Page 469: ...ont Door Switch 110E21120 3 Lever 4 Torsion Coil Spring 5 Guide 6 Guide 7 Lock Lever 8 Compressing Coil Spring 9 Lock Claw 10 Ground Plate 11 Power Supply Fan Motor 127E16810 12 Filter 13 Duct 14 Labe...

Page 470: ...rt List 13 0 Electrical Components Section HV USB DCPU SW1 PRCB SP FAXB MFPB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 19 20 21 22 23 35 35 35 24 25 26 34 27 28 30 31 32 33 37 37 f c a f a b b a...

Page 471: ...n Wiring Kit see page 9 55 14 Insulating Seal 15 Wiring1 16 Wiring1 17 110V Power Supply 105E24470 220V Power Supply 105E24480 18 Duct 19 Mounting Plate 20 Engine Control Board 960K58870 21 Mounting P...

Page 472: ...ser 6121MFP Service Manual Parts List Duplex Unit Part List 14 1 Duplex Unit 1 2 PS15 PS13 FM3 ADDB 1 17 18 7 20 4 14 15 19 9 8 16 9 10 2 5 5 6 3 21 21 12 11 12 13 10 7 a a a a a b c c a a a b a s6121...

Page 473: ...ver 2 Cover 3 Fan 4 Upper Cover 5 Screw 6 Left Cover 7 PS15 Transport Sensor PS13 Loop Sensor 130E18330 8 Wire Harness Assembly 9 Actuator 10 Torsion Spring 11 Wire Harness Assembly 12 Shoulder Screw...

Page 474: ...2 Duplex Unit 2 2 PS14 M5 M6 SD7 48 1 26 39 31 30 36 29 18 19 17 16 10 8 7 6 5 4 4 15 14 13 13 7 8 46 11 6 44 45 47 49 49 50 12 22 20 21 23 28 27 26 25 24 32 33 9 42 43 32 33 38 37 40 34 35 41 2 3 3 2...

Page 475: ...2 Gear 54 42T 13 Gear 17T 14 Gear 52T 15 Ratchet 16 Ground Spring 17 Wire Harness Assembly 18 Lever 19 Shaft 20 Seal 21 Conveyance Solenoid 22 Compressing Coil Spring 23 Right Cover 24 Registration Ho...

Page 476: ...arts List 40 Gear 28 34T 41 Shaft 42 Gear 22T 43 Ground Plate 44 Ground Plate 45 Knob 46 Shaft 47 Timing Belt 254L 48 Gear 36 37T 49 Gear 26T 50 Compressing Coil Spring Part List 14 2 Duplex Unit 2 2...

Page 477: ...Phaser 6121MFP Service Manual 9 45 Parts List...

Page 478: ...st Part List 14 3 Duplex Base Unit REYB 2 PS17 1 3 14 24 19 16 16 27 28 28 16 29 30 29 17 18 16 19 19 23 19 20 22 21 2 a b b b b c c c b b d b b b b b 15 15 31 8 6 11 10 6 5 5 13 7 26 13 9 4 12 b b f...

Page 479: ...Shaft 7 Guide Part 8 Roller 9 Torsion Spring 10 Actuator 11 Wire Harness Assembly 12 Photo Interrupter1 1 Included in Hardware Kit see page 9 54 13 Earth Ground 14 Wire Harness Assembly 15 Compressin...

Page 480: ...P Service Manual Parts List 500 Sheet Tray Option Part List 15 1 500 Sheet Tray 1 2 PCCB 1 3 5 17 15 12 8 8 4 18 18 8 6 19 20 19 7 7 9 10 8 12 16 12 12 13 11 2 b c a c a c d c c c c d c c c a c c 21 2...

Page 481: ...E29010 500 Sheet Tray Letter 050E29020 1 Rear Cover 2 Wire Harness Assembly 3 PWB Assembly 4 Guide 5 Wire Harness Assembly 6 Actuator 7 Compressing Spring 8 Screw 9 Lever 10 Right Cover 11 Front Cover...

Page 482: ...121MFP Service Manual Parts List Part List 15 2 500 Sheet Tray 2 2 SD6 PS12 PS10 PS11 1 7 4 11 13 13 8 4 9 10 5 17 12 14 15 16 9 19 20 6 6 6 6 6 6 2 21 18 22 23 8 7 3 4 a e f c d a b c b c d c c f c b...

Page 483: ...Roller 2 Torsion Spring 3 Actuator 4 Transport Sensor 130E18330 5 Guide Part 6 Guide 7 Positioning Shaft 8 Bushing 9 Earth Ground 10 Mounting Plate 11 Wire Harness Assembly 12 Shaft 1 Roller 14 Bracke...

Page 484: ...9 52 Phaser 6121MFP Service Manual Parts List Part List 15 3 500 Sheet Feeder Tray A B B A 2 20 19 2 3 1 11 10 9 14 15 15 15 15 15 15 15 15 4 7 5 6 12 13 7 8 9 17 18 12 13 14 16 a b c c c s6121mfp 087...

Page 485: ...Name Part Number 1 Cassette Assembly 2 Friction Plate 3 Cover 4 Collar 5 Cam 6 Torsion Spring 7 Pressure Spring 8 Label 9 Cushion 10 Regulating Plate 11 Separator 12 Washer 13 Pin 14 Cushion 15 Space...

Page 486: ...1474 Toner Cartridge US EU 2 5K Y 106R01468 Toner Cartridge DMO 2 5K Y 106R01475 Customer replaceable Service Items Parts List Reference Description Part Number PL11 0 18 PL11 0 18 Fuser 120V Fuser 22...

Page 487: ...90 Pin 115E13100 Guide 032E40590 Spacer 014E68450 Time Belt 023E31780 Compression Coil Spring 809E95520 Bushing 016E20270 E ring 115E13110 Spring Contact 115E13120 Photo Interrupt Sensor 130E18330 Wir...

Page 488: ...9 56 Phaser 6121MFP Service Manual Parts List...

Page 489: ...10 Chapter Wiring In this chapter Plug Jack Designations and Locator Diagrams Wiring Diagrams...

Page 490: ...ol Board to CN5 Power Supply 1 P J3 J 138 Connects Engine Control Board to CN7 of the Power Supply 1 P J5 H 135 Connects Engine Control Board to CN4 of the Rack Motor CN6 of the Cleaning Blade Pressur...

Page 491: ...Connects the Image Processor Board to CN6 of the Power Supply 2 P J10 I 139 Connects the Image Processor Board to P J1 of the Engine Control Board Fax Board 3 P J1 J 137 Connects the Fax Board to CN8...

Page 492: ...ressure Retraction Solenoid SD4 Conveyance Solenoid SD2 Tray 1 Paper Feed Solenoid SD1 P J16 P J6 CN4 P J3 P J2 P J23 P J1 P J10 P J9 P J7 CN6 CN4 CN3 CN7 CN5 CN1 P J21 N C N C N C N C N C N C N C N C...

Page 493: ...ack Locator 2 Map 2 Image Processor Board Plug Jack Locator 3 Map 3 Fax Board Plug Jack Locator 4 Map 4 High Voltage Board Plug Jack Locator 5 Map 5 Power Supply Plug Jack Locator Map 1 Engine Control...

Page 494: ...vice Manual Wiring Map 2 Image Processor Board Plug Jack Locator P J8 P J10 CN4 P J9 P J7 P J6 P J4 P J1 P J2 P J3 CN1 CN3 CN2 s6121mfp 269 A 132 133 134 135 136 137 138 139 140 141 142 143 144 145 13...

Page 495: ...Phaser 6121MFP Service Manual 10 7 Wiring Map 3 Fax Board Plug Jack Locator P J1 CN2 CN3 s6121mfp 267 A 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 B C D E F G H I J K L...

Page 496: ...8 Phaser 6121MFP Service Manual Wiring Map 4 High Voltage Board Plug Jack Locator s6121mfp 276 CN2 CN1 T2 T1 C G R B BL A 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 B C D E F G H I J...

Page 497: ...er 6121MFP Service Manual 10 9 Wiring Map 5 Power Supply Plug Jack Locator s6121mfp 278 CN1_L CN1_N CN3 CN6 CN5 CN4 CN7 A 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 B C D E F G H I J...

Page 498: ...Denotes a Jack Denotes Pin yy and Jack yy of the connector Pxx and Jxx Denotes a Jumper Point JPxxx xxx Each end of the Jumper connection has a numeric designation Denotes the parts PL X Y Z implies t...

Page 499: ...l in high status The arrow indicates the direction of signal Denotes the function and logic value of the signal when the function operated Low L High H The given voltage is for signal in high status T...

Page 500: ...notes an On Off Switch Temperature normally close Denotes an NPN Photo transistor I L 24 VDC Denotes DC voltage when the Interlock Switch in MCU Board turns On 5 VDC 3 3 VDC Denotes DC voltage SG Deno...

Page 501: ...DE0 DATA7 8 7 6 5 DATA5 DATA4 nLCD_WRL DATA6 OPP_A0 OPP_RD1 12 11 10 9 OPP_RD0 DATA3 16 15 14 13 DATA1 DATA0 OPP_WR1 DATA2 OPP_WR0 OPP_RST2 20 19 18 17 GND IR_COVER 22 21 4 3 2 1 8 7 6 5 12 11 10 9 P...

Page 502: ...ER_SEL nDUP_SWITCHBACK_M DUP_FANHALF_EN nDUP_SWITCHBACK_M_F R GND DUP_SL_REM DUP_TRANSPORT_M_CLK DUP_SWITCHBACK_M_CLK 24VDC nDUP_JAM_SENS DUP_SET nDUPCOVER_SENS DUPFAN_LOCK nDUP_TRANSPORT_M_ DUP_FANFU...

Page 503: ...Registration Roller Solenoid SD2 4 24VDC 3 2nd Image Transfer Pressure Retraction Solenoid SD4 5VDC 5VDC 5VDC 24VDC 5VDC 24VDC s6121mfp 182 2nd Image Transfer Retraction Position Sensor PS3 4 5 6 P J4...

Page 504: ...elay Board 1 Fax Control Board Speaker P J4 P J101 s6121mfp 187 4 3 2 1 4 3 2 1 ADF_RS_SENSOR GND 3 3VDC ADF_DOC_SENSOR P J2 P J4 4 3 2 1 4 3 2 1 A nA B nB CN4 1 34 1 34 Registration Sensor PT1 Paper...

Page 505: ...3 2 1 1 2 3 4 nHEATER SELLP_REM_24 M_COV_SENS nFUSER_WDT_RESET P J2 CN5 4 3 2 1 4 5 6 7 24VDC 24VDC 5VDC GND GND 7 6 5 1 2 3 24VDC GND 24VDC P J1 P J10 4 3 2 1 16 17 18 19 nTOD GND nHSYNC GND 7 6 5 13...

Page 506: ...3 2 1 GND 5VDC PS16_ON Paper Full Sensor PS16 3 4 2 1 4 3 2 1 Developer Fan FM3 P J30 3 4 2 1 CN1 FM1_REM 2nd_I T _MON 3 2nd_I T _PWM 3 1st_I T _MON 3 1st_I T _REM 3 n2nd_I T _ATVC 3 n1st_I T _ATVC 3...

Page 507: ...A Appendix Reference In this chapter Phaser 6121MFP Menu Map Firmware Update Acronyms and Abbreviations...

Page 508: ...il Setup LDAP Setup USB Setup New Entry View Edit Entry Print Address List Save Restore Address Book from USB Drive Front Panel Timeout Power Saver Mode LCD Contrast Key Repeat Setup Cursor Movement D...

Page 509: ...uality Lighten Darken Cancel Delay Send Fax Default Setup Print Fax Reports System Menu Send Mode Delay Send TX Auto Redial Setup Fax COMM setup Device Setup Send Options Setup Receive Options Setup F...

Page 510: ...l panel press the Back Menu button Button Function Back Menu Access the System Menu Move back to a previous menu level when in a menu OK Accept Confirm selection Up Arrow displays previous menu or ite...

Page 511: ...blems arise Replace ALL Toner Used for replacing all of the toner cartridges The printer cycles through the toner cartridges stopping at each so you can replace it Paper Setup Set the size and type of...

Page 512: ...to move to the next menu item column Display Language Language used by the printer to display and print information Speaker Volume Phaser 6121MFP N or D only Controls the volume of the key touch and...

Page 513: ...d copying 1 to 1 Copying on one side only 1 to 2 Copying on two sides Long Edge Flip Copied pages are printed so that they flip over at the side along the long edge of the paper Short Edge Flip Copied...

Page 514: ...haser 6121MFP N and D printer configurations this setting is not available Original Document Type Specifies the type of content being copied Mixed Fine Mixed Text with images photos Photo Fine Photo P...

Page 515: ...being scanned Mixed Text with images photos Text Text only Photo Photos only File Format Specifies the output file type the scanned image is saved as TIFF PDF JPEG Lighten Darken Specifies how light...

Page 516: ...configurations only Specifies the size from 1 to 10 MB that data is sent without being split into multiple attached files Note that to receive multiple file attachments the recipient s email applicat...

Page 517: ...t has not been sent yet Fax Default Setup Auto Redial Setup Fax COMM Setup Device Setup Send Options Setup Receive Options Setup Fax Report Setup For details see Fax Default Setup Menu on page A 12 Pr...

Page 518: ...can be specified Reset to Default When selected resets the Fax COMM settings back to their original factory defaults Device Setup Country Specifies the country where the printer is located Date Time S...

Page 519: ...can The printer dials and connects to the destination before scanning the documents to fax Header On Sender information is included in the fax transmission date and time transmitter s name and fax num...

Page 520: ...all is a voice phone call or a fax Forward Specifies whether the printer should forward incoming faxes to a specified destination and whether to print before forwarding On Faxes received are forwarded...

Page 521: ...are update process to complete When complete the control panel displays Firmware Update Firmware Update OK Machine Power Off On 6 In the update tool select the AmberAIO4IN1_XC_VNNNDEMOPAGE bin file an...

Page 522: ...Control ASSY Assembly ATM Adobe Type Manager BCR Bias Charge Roller BOOTP Boot Parameter Protocol BTR Bias Transfer Roller CCD Charge Coupled Device Photoelectric Converter CCW Counter Clock Wise CMY...

Page 523: ...Voltage HVPS High Voltage Power Supply Hz Hertz cycles per second IDT Intermediate Drum Transfer IEC International Electrotechnical Commission I F Interface IIT Image Input Terminal ADF Scanner IOT Im...

Page 524: ...PJL Printer Job Language PL Parts List POP3 Post Office Protocol version 3 PPD PostScript Printer Description PPM Pages Per Minute PWBA Printed Wiring Board Assembly RAM Random Access Memory RH Relat...

Page 525: ...py Default Setup Menu A 8 Copy menu A 7 cover ADF rear removal 8 30 left side removal 8 28 rear removal 8 28 removal 8 28 right side removal 8 29 D default printer mode A 6 Developing Motor operation...

Page 526: ...umidity sensor 8 106 I IDC Sensor 2 40 Image Processor Board print quality problems 4 27 removal 8 66 image transfer 2 3 2 38 Image Transfer Solenoid 2 37 retraction 2 39 Imaging Unit cleaning 2 39 re...

Page 527: ...1 Plug Jack designators list 10 2 locator diagrams 10 5 power requirements 1 14 power saver mode 1 14 A 6 Power Supply Cooling Fan operation 2 46 removal 8 72 troubleshooting 4 26 Print Cartridge prin...

Page 528: ...ance 1 12 printer 1 11 print quality 5 35 regulatory Canada 2 xviii regulatory United States 2 xviii switch locations 2 11 T technical support 1 2 Temperature Humidity Sensor density control 2 40 ther...

Page 529: ...ge measured tolerances 3 55 power consumption 1 14 power supply 1 14 W Windows troubleshooting 4 31 wiring Control Panel 10 13 Engine Control Board 10 14 High Voltage Power Supply 10 18 Image Processo...

Page 530: ...1 6 Phaser 6121MFP Service Manual Index...

Page 531: ......

Page 532: ...Copyright 2009 Xerox Corporation All rights reserved Unpublished rights reserved under the copyright laws of the United States Part 701P49494...

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