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General Troubleshooting

4-39

RAM DIMM Fault Isolation

Initial Actions:

■

Power off printer. Remove and re-install RAM DIMMs after verifying that they
meet the Xerox specifications.

Note

A minimum of 64 MB of RAM must be installed for proper printer operation.
The Phaser 4500 Laser Printer supports PC133 SDRAM in 144-pin SO-DIMM
form. The printer accepts modules of 32, 64, 128, or 256 MB in combinations to
a total of 512 MB.

Troubleshooting Reference

Applicable Parts

Wiring and Plug/Jack Map References

■

SDRAM DIMM

■

Image Processor Board

■

None

Troubleshooting Procedures

Step

Actions and Questions

Yes

No

1

Power on the printer.
Is RAM ERROR displayed on the Front
Panel?

Go to Step 5

Go to Step 2

2

Is POWER ON SELF TEST ERROR
4: MEMORY displayed on the Front
Panel?

Go to Step 5

Go to Step 3

3

Is POWER ON SELF TEST ERROR
15: RAM DIMM displayed on the Front
Panel?

Go to Step 4

Problem Solved

4

Print a Startup Page and review the
contents.
Does the Startup Page identify a failed
memory DIMM?

Replace the DIMM
and go to step 9

Go to Step 5

5

Are there two DIMMs installed in the
printer?

Go to Step 6

Go to Step 8

6

1. Power off the printer and remove one of

the DIMMs.

2. Power on the printer.

Is a memory fault message displayed?

Go to Step 8

Go to Step 7

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Summary of Contents for Phaser 4500

Page 1: ...laser printer Phaser 4500 Service Manual...

Page 2: ......

Page 3: ...ing 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 are...

Page 4: ...7 Supply Life Counters 1 8 Printer Specifications 1 9 Physical Dimensions and Clearances 1 9 Functional Specifications 1 10 Electrical Specifications 1 11 Environmental Specifications 1 11 Media and T...

Page 5: ...lems 3 20 Macintosh Printing Problems 3 20 Windows Printing Problems 3 20 Network Problems 3 21 Error Messages and Codes Troubleshooting Procedures 3 22 Main Motor Failure 3 26 Laser Unit Failure 3 27...

Page 6: ...y Error Inoperable Buttons 4 3 DC Power Supply Troubleshooting 4 4 LVPS Low Voltage Power Supply 4 4 DC DC Converter 4 5 AC Power Supply Troubleshooting 4 7 No AC Power 4 7 Print Engine Troubleshootin...

Page 7: ...d Assembly 4 62 Stacker Rear Cover Switch 4 63 Stacker Sensor 4 65 Stack Full Sensor On Stacker PWBA 4 67 Offset Sensor On Stacker PWBA 4 69 5 Print Quality Troubleshooting Print Quality Problems Over...

Page 8: ...up Values 6 11 Resetting Paper Handling Setup Values 6 12 Resetting PostScript Setup Values 6 12 Resetting PCL Setup Values 6 12 Resetting General Setup Values 6 12 Resetting Front Panel Setup Values...

Page 9: ...eeder Assembly 8 31 Nudger Roller Feed Roller 8 32 Nudger One way Clutch 8 33 Nudger Gear 8 34 Feed Clutch 8 36 No Paper Sensor 8 38 Right Tray Guide 8 39 Left Tray Guide 8 41 Low Paper Sensor Actuato...

Page 10: ...s 550 Sheet Paper Feeder 8 93 550 Sheet Paper Feeder Removal 8 93 Right Cover Plate 8 95 Left Cover Plate 8 97 Option Paper Size Switch Assembly 8 99 Optional Feeder Drive Assembly 8 100 550 Sheet Fee...

Page 11: ...t Paper Cassette 9 6 Parts List 4 1 550 Sheet Paper Cassette 9 9 Parts List 5 1 150 Sheet Paper Feeder 9 12 Parts List 7 1 550 Sheet Paper Feeder 9 15 Parts List 8 1 Xerographics 9 18 Parts List 10 1...

Page 12: ...50 Sheet Feeder Main Fan 10 22 Laser Unit 5 V Interlock Interlock Switch Assembly 10 24 Paper Exit 10 25 Image Processor Board DC DC Converter Front Panel 10 26 Optional 550 Sheet Feeder 10 27 550 She...

Page 13: ...xii Phaser 4500 Laser Printer...

Page 14: ...o a printer however it is NOT an option to the product Common Acronyms FRU Field Replaceable Unit PL Corresponds to the FRU Parts List CRU Customer Replaceable Unit ESD Electrostatic Discharge Note A...

Page 15: ...sign Symbols Marked on the Product DANGER high voltage Protective ground earth symbol Hot surface on or in the printer Use caution to avoid personal injury The surface is hot while the printer is runn...

Page 16: ...y grounded outlet If the product loses its ground connection contact with conductive parts may cause an electrical shock Disconnecting Power Turning the power off using the On Off switch does not comp...

Page 17: ...ist strap before applying power 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 ant...

Page 18: ...ductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Warning Labels Read and obey all posted warning labels Throughout t...

Page 19: ...s easily accessible during servicing Warning Do not touch any electrical component unless you are instructed to do so by a service procedure Servicing Mechanical Components When servicing mechanical c...

Page 20: ...n and immunity compliance and could void the user s authority to operate this product To ensure compliance use shielded interface cables A shielded parallel cable can be purchased directly from Xerox...

Page 21: ...of the Declaration of Conformity for this product can be obtained from Xerox EN 60950 IEC 60950 Safety of Information Technology Equipment including Electrical Business Equipment EN 55022 1998 CISPR 2...

Page 22: ...eneral Information In this chapter Printer Introduction and Overview Printer Configurations Parts of the Printer Front Panel Image Processor Board Consumables and Routine Maintenance Items Printer Spe...

Page 23: ...e understanding of this product participation in Xerox Phaser 4500 Service Training is strongly recommended To service this product Xerox certification for this product is required Technical Support I...

Page 24: ...Direct Print Yes Yes Yes Yes Resolutions 600 dpi True 1200 dpi 600 dpi True 1200 dpi 600 dpi True 1200 dpi 600 dpi True 1200 dpi USB Parallel Yes Yes Yes Yes Ethernet Capabilities Optional Standard S...

Page 25: ...gauge 9 Print cartridge 10 Standard output tray 11 Optional 500 Sheet Stacker The Image Processor Board contains items 1 4 1 Parallel cable connector 2 Ethernet 10 100 Base T connector 3 USB connector...

Page 26: ...mation button for additional explanation or help LED State Printer State Green Ready to Print or in Power Saver mode Flashing Yellow Warning but can still print Flashing Green In Standby mode or busy...

Page 27: ...t transfer the following parts from the old board Memory DIMMs Hard Drive if installed NVRAM Configuration Card 1 Memory RAM DIMM 1 and DIMM 2 6 Parallel connector 2 Flash Memory optional 7 Ethernet c...

Page 28: ...General Information 1 7 Consumables and Routine Maintenance Items Print Cartridge Transfer Roller Feed Rollers 3 per paper tray s4500 267 Fuser s4500 268...

Page 29: ...tors these counters in order to display the near end of life and end of life messages Print life ratings are based on 5 coverage and an average job length of 4 pages Supply Print Life Number of Images...

Page 30: ...mm 8 in Right 300 mm 12 in Front 480 mm 19 in Rear with Duplex Unit installed 230 mm 9 in Total Height requirement 820 mm 32 in Add 9 6 cm 3 75 in for each 550 Sheet Feeder Mounting surface level tole...

Page 31: ...hoices 600 x 600 dpi True 1200 x 1200 dpi Continuous Operating Printing Speed 36 pages per minute for plain Letter paper one sided printing 34 pages per minute for A4 paper one sided printing 21 image...

Page 32: ...equency Range 50 60 Hz 3 Hz Power Consumption 985 W 120 V 985 W 220 240 V Characteristic Specification Temperature Operating Transportation 5 to 35 C 41 to 95 F 20 to 40 C 4 to 104 F Humidity RH Opera...

Page 33: ...60 216 g m2 37 133 lb Cover Card Stock 60 216 g m2 37 133 lb Supported Envelopes All 10 Commercial 4 12 x 9 5 in Monarch 3 87 x 7 5 in DL 110 x 220 mm C5 162 x 229 mm B5 176 x 250 mm Tray Capacity Tr...

Page 34: ...140 356 mm 5 5 14 0 in 148 356 mm 5 8 14 0 in Supported Media Types and Weights All Bond 60 216 g m2 16 58 lb Greeting Cards 190 g m2 70 lb Cover Index Card Stock 60 216 g m2 33 120 lb Tag Card Stock...

Page 35: ...1 14 Phaser 4500 Service Manual...

Page 36: ...2 Chapter Theory of Operation In this chapter Overview of the Phaser 4500 Laser Printer Paper Path of the Printer Sensors Major Assemblies and Functions Printer Options...

Page 37: ...the length guide Switches located in the left tray guides detect the position of four tabs located on the paper tray The Phaser 4500 uses a three roller system to pick paper Two springs raise the tra...

Page 38: ...tray 10 Two sided printing reverses the direction of the exit rollers to route the paper through the Duplex Unit rollers and back to the registration roller A sensor in the Duplex Unit detects the pr...

Page 39: ...directly related to the print cycle and to the paper path Components Associated with the Xerographic Process Fuser Assembly Print Cartridge Paper Transport Laser Beam Magnetic Roller Charge Metering B...

Page 40: ...550 Sheet Tray Nudger Roller Print Exit Feed Roller Retard Roller Turn Roller Turn Pinch Roller Rubber Registration Roller Metal Registration Roller Transfer Roller Assembly Drum Heat Roller Pressure...

Page 41: ...th and transport in the engine only 1 Exit Roller 8 Rubber Registration Roller 2 Exit Pinch Roller 9 Metal Registration Roller 3 Fuser Assembly 10 Feed Roller Assemblies 4 Pressure Roller 11 Retard Ro...

Page 42: ...and the Stacker are installed 1 Stacker Pinch Roller 8 Pinch Rollers 2 Lower Stacker Roller 9 Turn Pinch Rollers 3 Upper Stacker Roller 10 Turn Roller Assemblies 4 Pinch Roller 11 Feed Roller Assembl...

Page 43: ...s a signal The microswitches are used primarily as interlocks in the printer They are in a normally open state and close when actuated A bank of switches in a holder is used for detecting the size of...

Page 44: ...Two of these monitor the temperature of the Heat Roller Page 2 25 Rear Cover Switch Microswitch Interrupts 24 V to the Main Motor when the Rear Exit Cover is open in series with 24 V Interlock Page 2...

Page 45: ...ch Signals the HVPS Engine Logic board that the Duplex Unit Rear Cover is open Page 2 36 Duplex Unit Sensor Mechanically actuated photo sensor Detects the presence of paper in the Duplex Unit Page 2 3...

Page 46: ...nsor 2 Fuser Exit Sensor 9 Tray 2 Low Paper Sensor 3 Output Tray Full 10 Tray 3 No Paper Sensor 4 Stacker Sensor 11 Tray 3 Low Paper Sensor 5 Stacker Full 12 Tray 4 No Paper Sensor 6 Duplex Unit Senso...

Page 47: ...heet Paper Exit Drive Electrical Paper Tray Paper Trays include the 150 sheet tray and 550 sheet tray Since they are functionally equivalent only the 150 sheet tray is described here The trays adjust...

Page 48: ...he Bottom Plate Assembly is pushed up the supplied paper contacts the Nudger Roller Bottom Lock Lever and Gear Stopper These are at the rear of the tray i e the front end in the direction of travel of...

Page 49: ...e paper in position front to back in the paper tray Through the cam action of the Sector Gear and Size Rack the position of the End Guide is converted to up and down combinations of the three Size Swi...

Page 50: ...Assembly from rising upward The Gear Stopper is released from the Bottom Lock Gear when the tray is inserted into the printer Once the Gear Stopper releases the Bottom Lock Gear the Bottom Rack Lock h...

Page 51: ...that remains in the OFF state when paper is present in the tray The sensor turns on when there is no paper in the tray and the flag on the No Paper Actuator moves out of the sensor Registration Senso...

Page 52: ...Registration Roller 2 Feed Clutch Assembly 8 No Paper Sensor 3 Registration Clutch 9 No Paper Actuator 4 Rubber Registration Roller 10 Low Paper Sensor 5 Feed Roller 11 Low Paper Actuator 6 Registrati...

Page 53: ...is defined in the printer to correspond to one of the pre set media sizes The following table provides the ON 1 or OFF 0 states of the switches in the Paper Size Switch Assembly corresponding to the p...

Page 54: ...distributes electrical charges over the drum surface and erases a charge pattern remaining from the previous cycle Magnet Roller A thin layer of toner supplied by the agitator in the toner compartment...

Page 55: ...2 20 Phaser 4500 Service Manual 1 Print Cartridge 2 Transfer Roller s4500 10 1 2...

Page 56: ...rough lenses and mirrors to scan the beam across the drum Start of Scan SOS Board When the laser beam strikes the sensor on the SOS board the signal generated indicates the initial position of the sca...

Page 57: ...2 22 Phaser 4500 Service Manual Conceptual Diagram of Image Creation by Scanning Laser Assembly Functional Parts 1 Start of Scan PWB 3 Laser Diode Assembly 2 Scanner Assembly s4500 011 s4500 012 1 2 3...

Page 58: ...wer is too high and U2 4 occurs when LD power is too low Transfer Roller Assembly The Transfer Roller is held in contact with the drum of the Print Cartridge and is driven by the Drum Gear When the pa...

Page 59: ...t Roller Power to the Heater Rod is turned on and off using the signals from these sensors so that the surface temperature of the Heat Roller can be maintained within a specified range This signal is...

Page 60: ...Theory of Operation 2 25 1 Exit Motor Assembly 5 Pressure Roller 2 Exit Sensor 6 Heat Roller 3 Actuator 7 Thermostats 4 Temperature Sensors s4500 023 1 2 3 4 5 6 7...

Page 61: ...as the Fuser control temperature Fuser Warm Up The Halogen Lamp is turned on when the Fuser warm up begins When the surface temperature of the Heat Roller detected by the Thermistor reaches the Fuser...

Page 62: ...printer stops the print job and enters the following cool down process which continues until the target Control Temperature of 180 C 185 C Standby is reached Clear the paper path of all paper Continue...

Page 63: ...s 1 Fuser abnormality U4 2 Paper jam 3 Cover Open Top Rear Duplex Unit Stacker 4 Laser Assembly ROS abnormality U2 5 CPU or NVRAM abnormality U6 6 Main Motor Assembly abnormality U1 7 Fan abnormality...

Page 64: ...the printed paper sent out from the Fuser to the standard output tray Stack Full Sensor This sensor detects that the standard output tray is full using the Stack Full Actuator Stacker Exit Gate This g...

Page 65: ...nnects the drive force from the Main Motor to the Fuser Assembly When the Top Cover is opened the Link Lever pushes up the Gear 8 in the Gear Assembly Housing disconnecting Gear 9 and thus the Fuser A...

Page 66: ...he front side LVPS The Low Voltage Power Supply provides 5 V and 3 3 V for Logic Circuits 5 V for the Laser Diode and 24 V for Motors and Clutches HVPS Engine Logic Board The functions of the HVPS and...

Page 67: ...sor Board By using the 24 V the DC DC Converter supplies additional power for the optional hard drive 1 LVPS 7 5 V Interlock 2 Exit Motor PWBA 8 24 V Interlock 3 Rear Cover Switch 9 Image Processor Bo...

Page 68: ...Rod 850W Heater Rod 650W Duplex Cover Open Switch Interlock Switch Assembly INTERLOCK BEF Laser Interlock Top Cover Switch TEMP Power Switch s4500 027 Fuser Assembly Temperature Sensor Assembly Thermo...

Page 69: ...is discussed earlier in this chapter Duplex Unit Drive Transmission Path The rotating force of the Duplex Unit Motor is transmitted by various gears to components requiring mechanical drive as shown i...

Page 70: ...vents air within the Duplex Unit and takes in outside air to prevent abnormal temperature rise in the Duplex Unit Duplex Roller This roller feeds the paper having the printed first surface back into t...

Page 71: ...Motor This motor drives the three duplex rollers which transport the paper through the Duplex Unit 1 Duplex Unit Rollers 4 Duplex Unit PWBA 2 Duplex Unit Sensor 5 Duplex Unit Switch 3 Duplex Unit Fan...

Page 72: ...cker Motor Assembly is transmitted by various gears to components requiring mechanical driving force as shown in this flow chart and the gear layout that follows GEAR 19 37 MOTOR ASSY OCT GEAR 45 GEAR...

Page 73: ...mbly This motor drives the Lower Stacker Roller and Upper Stacker Roller which transport printed paper to the Stacker tray Offset Motor Assembly This motor drives the Offset Chute Assembly via the Gea...

Page 74: ...ker PWBA and detects when the Stacker output tray is full using the Stack Full Actuator Offset Sensor This sensor is located on the Stacker PWBA and detects an offset operation using the Actuator in t...

Page 75: ...sembly 7 Offset Motor Assembly 2 Upper Stacker Roller 8 Gate Solenoid Assembly 3 Rear Cover Switch 9 Offset Chute Assembly 4 Full Stack Sensor 10 Stacker Sensor 5 Offset Sensor 11 Lower Stacker Roller...

Page 76: ...ansmitted by various gears to components requiring mechanical driving force as shown in this flow chart and the gear layout that follows Feeder Motor Optional Feeder Gear 2 Optional Feeder Gear 3 Opti...

Page 77: ...Paper Actuator moves from between the sensor arms allowing the sensor to turn on No Paper Sensor This is a photo sensor that remains in the OFF state when paper is present in the tray The sensor turn...

Page 78: ...k lever of the Bottom Plate Assembly releasing it The spring below the Bottom Plate Assembly pushes it up and lifts the paper which lifts the Nudger Support Assembly off of the lock lever of the Botto...

Page 79: ...rvice Manual 1 Optional 550 Sheet Feeder 5 Low Paper Sensor 2 Turn Roller 6 Low Paper Actuator 3 No Paper Actuator 7 550 Sheet Feeder PWBA 4 No Paper Sensor 8 Option Paper Size Switch Assembly s4500 0...

Page 80: ...s chapter Introduction Servicing Instructions Entry Level Fault Isolation Procedure Service Diagnostics System Start Up and POST Operating System and Application Problems Error Messages and Codes Trou...

Page 81: ...options If you choose not to use the instructions it is recommended that you start at the appropriate troubleshooting table and proceed from there Always follow the safety measures detailed in Service...

Page 82: ...cold water and mild detergent 10 Inspect the interior of the printer for damaged wires loose connections toner leakage and damaged or obviously worn parts 11 If the Print Cartridge appears obviously d...

Page 83: ...or all spared parts of the printer General Notes on Troubleshooting 1 Unless indicated otherwise the instruction switch ON printer main power means for you to switch ON printer power and let the print...

Page 84: ...ad on the average multi meter Unless otherwise specified the following voltage tolerances are used within this section 7 When a troubleshooting procedure instructs you to replace a non spared componen...

Page 85: ...g Fault History Error Codes The following tables provide a cross reference of the numeric fault history codes to the diagnostic codes that appear on the Front Panel and in error messages These numeric...

Page 86: ...e count An entry of 5 132 would mean that a Jam at Exit occurred at page count 132 Fault History Codes for Jams Fault History Code Service Usage Profile Log Reports Last Jam Location Item 291 Jam Code...

Page 87: ...the OK button 2 Select Print Quality Problems and press the OK button 3 Select Test Prints and press the OK button Does the printer display an error message or code while printing Go to the procedure...

Page 88: ...nd press the OK button 2 Hold down both the Up and Down arrow buttons for about three seconds When the hidden Service Diagnostics menu appears scroll to Run Service Diagnostics and press the OK button...

Page 89: ...count is reset if the HVPS Engine Logic Board is replaced Engine Configuration Lists the configurations set for the Engine This report is of very limited use to the service technician it is mainly in...

Page 90: ...rol the registration of the image on the paper Laser Power Adjusts the power of the laser beam Adjustment is done on a scale of 0 8 with 4 being the factory default Tray 1 2 3 4 Process Direction Adju...

Page 91: ...on again at low speed The test runs with covers open Laser Scan Motor The test runs the motor about three seconds then stops it The test runs with covers open Stacker Motor The test runs the motor ab...

Page 92: ...s of the Exit Sensor in the Fuser Reports Without paper when the actuator is in the resting position and reports With paper when the actuator is moved by paper in transport You can manually toggle the...

Page 93: ...can test by removing or installing the Duplex Unit and restarting the printer then running the Duplex Unit Presence test Stacker Unit Presence Reports whether the Stacker is Installed or Not Installe...

Page 94: ...ts This tests is password protected to allow access only to certified Service Personnel The password to access the reset functions is 4370 To enter the password you use the OK button to move from digi...

Page 95: ...ern see LED Blink Patterns on LED Blink Patterns on page 3 17 POST Startup indications At power on the hardware default is to turn on the IP board health LED The Image Processor Board health LED is tu...

Page 96: ...hard faults The health LED flashes according to the fault code The Front Panel LED flashes in unison with the health LED The last posted message to the graphic front panel is present LED Blink Pattern...

Page 97: ...CPU Interrupts 12 Hard This test checks that each interrupt source to the CPU is functioning USB 13 Hard This test checks that the USB core is functioning properly Real Time Clock 14 Soft Ensures tha...

Page 98: ...page 8 91 5 5 1 1 12 CPU INTERRUPTS Replace Image Processor Board page 8 91 5 5 1 1 1 13 USB Image Processor USB port failure Replace Image Processor Board page 8 91 5 5 1 1 1 1 14 REAL TIME CLOCK Ima...

Page 99: ...again Take note of the information on the error page that just printed 6 Select the appropriate Phaser 4500 PPD with the LaserWriter Driver or application Not selecting the appropriate PPD can cause P...

Page 100: ...when the log is full the printer stops recording data to the log The logs are stored on the Hard Drive so only new data is stored each time the printer s power is cycled There is a Connection Setup P...

Page 101: ...roubleshooting procedure for that error The procedures that follow the table are named with the messages that appear on the Front Panel when an error occurs Error Message Summary Front Panel Message D...

Page 102: ...Jam At Tray N Remove Trays And Open Top Cover To Clear Press i E2 01 Feed Jam E2 02 Feed Jam E2 03 Feed Jam E2 04 Feed Jam 1 2 3 4 Go to page 3 32 Jam At Tray N Remove Trays And Open Top Cover To Cle...

Page 103: ...d Open Rear Cover To Clear Press i PSE 1 Paper Size Error 10 Go to page 3 54 Insert Tray 1 Press i Tray 1 Out Go to page 3 65 Insert Tray 2 Press i Tray 2 Out Go to page 3 65 Insert Tray 3 Press i Tra...

Page 104: ...E11 1 Tray 3 unit fail 6 Go to page 3 52 Tray 3 or 4 Failure Press i E11 2 Tray 3 or 4 unit fail 7 Go to page 3 52 Duplex Unit Failure Press i E9 1 Duplex unit fail 8 Go to page 3 50 Stacker Unit Fail...

Page 105: ...itch Assembly on page 10 24 Print Engine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 1 Remove the Le...

Page 106: ...ock Switch Assembly on page 10 24 Print Cartridge Transfer Roller Assembly on page 10 21 24 V Interlock Rear Cover Switch Main Motor Sub Fan Exit Motor Assembly on page 10 18 Print Engine General Wiri...

Page 107: ...bly HVPS Engine Logic Board LVPS Fuser Assembly Harness LVPS Harness Assembly Fuser Assembly Power Switch on page 10 20 Print Engine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator...

Page 108: ...ep 9 3 Enter Service Diagnostics and from the Motors Fan Test menu select the Fan Motors High Speed test Does the Main Fan rotate at high speed Go to step 4 Go to step 5 4 Enter Service Diagnostics an...

Page 109: ...to step 8 10 Measure the voltage across P J27 18 P J27 17 Does the voltage measure 0 82 VDC or higher Go to step 11 Replace the HVPS Engine Logic Board page 8 89 11 Replace the Sub Fan page 8 44 Does...

Page 110: ...gram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Does the error occur when the power is turned ON Go to step 4 Go to step 2...

Page 111: ...embly Bottom Plate Assembly Retard Roller Feed Clutch Assembly Turn Roller Turn Roller Clutch 550 Sheet Feeder Assembly 550 Sheet Paper Cassette 150 Sheet Feeder 550 Sheet Feeder Main Fan on page 10 2...

Page 112: ...ridge 2 Check the Gear Assembly Housing for rotation Does each gear of the Gear Assembly Housing rotate normally Go to step 7 Check operation and mounting of Gear Assembly Housing and then go to Print...

Page 113: ...Sheet Feeder Feed Clutch Assembly on page 4 50 14 Manually rotate each gear and roller in the Optional 550 Sheet Feeder Does each gear and roller of the 550 Sheet Feeder Option rotate smoothly Go to...

Page 114: ...on page 10 22 24 V Interlock Rear Cover Switch Main Motor Sub Fan Exit Motor Assembly on page 10 18 Print Engine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubl...

Page 115: ...to step 12 10 Enter Service Diagnostics and from the Clutch Tests menu select the appropriate feed clutch test Does Feed Clutch Assembly operate normally Go to step 11 Go to Feed Clutches on page 4 3...

Page 116: ...vice Diagnostics and from the Clutch Tests menu select the appropriate Turn Roll clutch test Does the Turn Roller Clutch operate normally Go to step 16 Go to Optional 550 Sheet Feeder Turn Roller Clut...

Page 117: ...nd Questions Yes No 1 Check the condition of the paper in the tray Is the paper crumpled damaged damp or out of specification Replace the paper Go to step 2 2 Check paper size setup Does the paper siz...

Page 118: ...nuity Is P J46 P J4647 continuous Go to step 11 Replace the Fuser Harness Assembly page 8 50 11 Check the power to the Exit Sensor Measure the voltage across P J46 3 P J46 4 Is the voltage 3 3 VDC Go...

Page 119: ...ep 19 Problem solved 19 Manually operate the Metal Registration Roller and Rubber Registration Roller Do the rollers rotate smoothly Go to step 20 Replace the 150 Sheet Feeder Assembly page 8 18 20 En...

Page 120: ...Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the condition of the paper in the tray Is the paper crumpled damaged damp or out of specification Replace the paper Go to step 2 2...

Page 121: ...ts state when the actuator is manually operated Replace the HVPS Engine Logic Board page 8 89 Go to step 11 11 Measure the voltage across P J46 5 P J46 4 while manually operating the Exit Actuator Doe...

Page 122: ...ep 2 Go to step 4 2 1 Open the Stacker Rear Cover 2 Check for paper at the Stacker Actuator Is there paper at the Stacker Actuator Remove the paper and then go to step 3 Go to Stacker Sensor on page 4...

Page 123: ...er between Lower Stacker Roller and Pinch Roller from below the Stacker 2 Manually rotate Gear 19 37 in the CCW direction Is the paper transferred smoothly Go to step 8 Replace the defective parts 8 1...

Page 124: ...5 2 1 Open the Stacker Rear Cover 2 Check for paper at the Stacker Actuator Does the paper remain at Stacker Actuator Remove the paper and then go to step 3 Go to Stacker Sensor on page 4 65 3 Manuall...

Page 125: ...1 Insert paper between the Lower Stacker Roller and Pinch Roller from below the Stacker 2 Manually rotate Gear 19 37 in the CCW direction Is the paper transferred smoothly Go to step 8 Replace the de...

Page 126: ...step 2 Go to step 4 2 1 Open the Duplex Unit Housing Cover 2 Check for paper at the Duplex Unit Actuator Is there paper at the Duplex Unit Actuator Remove the paper and go to step 3 Go to Duplex Unit...

Page 127: ...er transfer Is the paper transferred smoothly Go to step 8 Replace drive parts as necessary 8 Enter Service Diagnostics and from the Motors Fan Tests menu select the Duplex Motor High test Does the Du...

Page 128: ...Diagnostics and from the Engine Test Print menu select Duplex and set to ON 3 From the Engine Test Print menu select Print Test Pattern Does the error occur when Test Printing Duplex Go to step 2 Pro...

Page 129: ...S Engine Logic Board page 8 89 Go to Duplex Unit Motor on page 4 55 Troubleshooting Reference Applicable Parts Wiring and Plug Jack Map References HVPS Engine Logic Board Duplex Unit PWBA Duplex Unit...

Page 130: ...ss 1 HVPS Engine Logic Board Stacker PWBA Stacker Assembly Harness 2 Stacker General Wiring Diagram on page 10 31 Stacker Signal Diagram on page 10 32 Stacker Plug Jack Locator on page 10 14 Troublesh...

Page 131: ...eeder Harness 2 Feeder Harness 5 550 Sheet Feeder General Wiring Diagram on page 10 27 550 Sheet Feeder Signal Diagram on page 10 28 550 Sheet Feeder Plug Jack Locator on page 10 10 Troubleshooting Pr...

Page 132: ...84 5 J8483 6 Is each continuous Go to step 3 Replace Feeder Harness 5 3 Check Feeder Harness 2 of the Tray 4 Feeder 1 Remove the Optional 550 Sheet Paper Feeder 2 Disconnect P J8483 3 Check the follow...

Page 133: ...oubleshooting Procedure Steps Actions and Questions Yes No 1 Check the paper size setup Does the size displayed match the size of the paper in use in the tray Go to step 2 Go to step 3 2 Check the Reg...

Page 134: ...HVPS Engine Logic Board page 8 89 6 Check Paper Cassette 2 Are the End Guide Assembly Sector Gear Size Rack Size Switch Link 1 2 3 of Paper Cassette of Tray 3 or Tray 4 installed correctly Go to Opti...

Page 135: ...ate the interlock switches on both sides of the Top Cover and the left side of the Rear Cover Are the tabs damaged Replace Top Cover or Rear Cover Close both covers and go to step 2 2 Check Top Cover...

Page 136: ...it Plug Jack Locator on page 10 12 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Open the Duplex Unit Housing Cover Is the tab on the Duplex Unit Lower Housing that actuates the cover...

Page 137: ...Locator on page 10 14 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the Stacker Rear Cover Is the tab on Stacker Rear Cover that actuates the Cover Switch damaged Replace the S...

Page 138: ...Procedure Steps Actions and Questions Yes No 1 Remove the Print Cartridge to check the model Is the Print Cartridge the correct model Go to step 2 Replace the Print Cartridge 2 Re install the Print Ca...

Page 139: ...ngine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Does the error still occur after installing a new...

Page 140: ...per in Tray 3 No Paper in Tray 4 on page 3 63 Go to step 2 2 Is there any paper in Tray 1 or Tray 2 Go to step 3 Add paper 3 Is the Bottom Plate Assembly lifted correctly Go to step 4 Remove the Paper...

Page 141: ...ep 2 Problem solved 2 1 Remove the Paper Cassette from Tray 2 2 Manually operate the Low Paper Actuator Does the Low Paper Actuator move smoothly Does the Low Paper Actuator go into the sensor part of...

Page 142: ...o 1 Is there any paper in Tray 3 or Tray 4 Go to step 2 Add paper 2 Is the Bottom Plate Assembly PL20 3 10 lifted correctly Go to step 3 Remove the 550 Sheet Paper Cassette then re install it correctl...

Page 143: ...inserted into Tray 3 or Tray 4 Go to step 2 Problem solved 2 1 Remove the 550 Sheet Paper Cassette 2 Manually operate the Low Paper Actuator Does the Low Paper Actuator move smoothly Does the Low Pape...

Page 144: ...gram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Does the error occur with Tray 3 or Tray 4 Go to Insert Tray 3 Insert Tray...

Page 145: ...age 10 27 550 Sheet Feeder Signal Diagram on page 10 28 550 Sheet Feeder Plug Jack Locator on page 10 10 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Remove and re install the 550 Sh...

Page 146: ...am on page 10 31 Stacker Plug Jack Locator on page 10 14 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Manually operate the Stack Full Actuator at the paper outlet Does the Stack Full...

Page 147: ...Diagram on page 10 31 Stacker Plug Jack Locator on page 10 14 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Manually operate the Stack Full Actuator Does the Stack Full Actuator move...

Page 148: ...arness HVPS Engine Logic Board Fuser Assembly Power Switch on page 10 20 Print Engine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps A...

Page 149: ...ilable output trays Generate Duplex prints if the Duplex Unit is installed Are test prints successfully produced Go to step 4 Go to step 2 2 1 Remove the LVPS Shield Plate page 8 75 2 Measure the volt...

Page 150: ...Remove the Duplex Unit Assembly Harness page 8 121 3 Connect J2750 of the Duplex Unit Assembly Harness to P2750 of the LVPS Harness Assembly 4 Measure the voltage across P2750 5 and J2750 6 Does the...

Page 151: ...of Duplex Unit Assembly Harness 2 Check the following for continuity J2750 3 J50 8 J2750 4 J50 7 J2750 5 J50 6 J2750 6 J50 5 Is each continuous Replace the Duplex Unit PWBA page 8 123 Replace the Dup...

Page 152: ...ss 2 Does the voltage measure 3 3 VDC Go to step 5 Go to step 2 2 Check the Stacker detection signal 2 Measure the voltage across P J30 4 P J30 3 on the HVPS Engine Logic Board Does the voltage measur...

Page 153: ...3 74 Phaser 4500 Service Manual...

Page 154: ...4 Chapter General Troubleshooting In this chapter Introduction Front Panel Troubleshooting DC Power Supply Troubleshooting AC Power Supply Troubleshooting Print Engine Troubleshooting...

Page 155: ...code or front panel error message For troubleshooting problems associated with an error code or front panel error message notes on how to use the troubleshooting procedure tables and how to use servic...

Page 156: ...10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the 5 V power 1 Disconnect P110 from the Image Processor Board 2 Measure the voltage across P110 10 P110 3 and P110 9 P110 3 D...

Page 157: ...es at the following test points P J41 1 P J41 2 3 3 V P J41 4 P J41 3 5 V Are the voltages measured within the specified range Go to step 2 Replace the LVPS page 8 78 2 Check the LVPS motor power 1 Di...

Page 158: ...bleshooting Procedure Steps Actions and Questions Yes No 1 Check the 24 V input 1 Remove the LVPS Shield Plate page 8 75 2 Disconnect J404A from P404 in line connector 3 Turn the power ON 4 Measure th...

Page 159: ...PS and P J401 on the DC DC Converter 3 Check for continuity across the following P J40 3 P J401 2 P J40 4 P J402 1 Are both conductors continuous Go to step 8 Replace Harness B 5 Check Harness C outpu...

Page 160: ...sembly on page 10 18 Image Processor Board DC DC Converter Front Panel on page 10 26 150 Sheet Feeder 550 Sheet Feeder Main Fan on page 10 22 Laser Unit 5 V Interlock Interlock Switch Assembly on page...

Page 161: ...and Duplex Unit Motor on page 4 55 Go to step 6 6 1 Remove the HVPS Shield Plate page 8 88 2 Verify that P J10 is connected to the HVPS Engine Logic Board 3 Remove the Print Cartridge 4 Check for 24...

Page 162: ...the power ON and check for Main Fan rotation Does the Main Fan rotate when the power is turned ON Replace the Laser Unit Assembly page 8 46 Go to step 11 11 1 Disconnect P J20 from the HVPS Engine Lo...

Page 163: ...power is turned ON Go to Feed Clutches on page 4 33 Go to step 15 15 1 Disconnect P J43 from the LVPS 2 Remove the Print Cartridge Does the Main Fan rotate when the power is turned ON Go to Print Engi...

Page 164: ...or the sound of the Main Motor Does Main Motor rotate Go to step 2 Go to step 3 2 Is the trouble eliminated Problem solved Go to step 3 3 Check the LVPS Harness Assembly for continuity 1 Remove the LV...

Page 165: ...ain Motor rotate Problem solved Replace the HVPS Engine Logic Board page 8 89 then go to step 6 6 Turn ON the printer Does the Main Motor rotate Problem solved Replace the Main Motor page 8 69 Trouble...

Page 166: ...3 Reinstall the Top Cover Assembly 4 Install the Print Cartridge and close the Top Cover 5 Measure the voltage across J140 8 J140 7 Does the voltage measure 5 VDC Go to step 8 Go to step 2 2 Check th...

Page 167: ...d no continuity when the Top Cover is open Go to step 6 Replace the Laser Unit Harness Assembly 6 Check power to the HVPS Engine Logic Board 1 Remove the LVPS Shield Plate page 8 75 2 Install the Prin...

Page 168: ...ect P J17 and P J16 from the HVPS Engine Logic Board 2 Disconnect P J170 and P J160 from Laser Unit Assembly 3 Measure the following for continuity P J17 P J170 P J16 P J160 Do the conductors exhibit...

Page 169: ...ontinuity 1 Remove the LVPS Shield Plate page 8 75 2 Disconnect P J47 from the LVPS 3 Measure the following for continuity J47 1 J47 5 J47 1 J47 3 Do the conductors exhibit continuity Go to step 3 Go...

Page 170: ...e following for continuity P J41 1 P J11 16 P J41 9 P J11 8 P J41 10 P J11 7 P J41 12 P J11 5 P J41 13 P J11 4 Do they all exhibit continuity Replace the HVPS Engine Logic Board page 8 89 then go to s...

Page 171: ...Assembly page 8 18 Does the Registration Sensor Actuator operate smoothly Is the flag of the Registration Sensor Actuator formed normally to shield the sensor detecting point Go to step 2 Replace the...

Page 172: ...inuity P J245 4 P J241 3 P J245 5 P J241 2 P J245 6 P J241 1 Is each conductor continuous Go to step 7 Replace Tray 1 Assembly Harness 6 Check the HVPS Engine Logic Board 1 Disconnect P J11 from the H...

Page 173: ...ator operate smoothly Is the flag between the sensor detecting point when the No Paper Actuator is low there is no paper and out of the detecting point when the No Paper Actuator is high there is pape...

Page 174: ...ses 1 Remove the No Paper Sensor 2 Disconnect P J24 from HVPS MCU 3 Test the harnesses for continuity at these points P J245 1 P J240 3 P J245 2 P J240 2 P J245 3 P J240 1 P J248 1 P J246 3 P J248 2 P...

Page 175: ...go into the detection point of the sensor when the Bottom Plate Assembly is released Actuator is pushed up and out of the detection point when pushed down Go to step 2 Replace the Low Paper Actuator...

Page 176: ...step 2 2 Check the Print Cartridge 2 Does the problem still occur after replacing the Print Cartridge Go to step 3 Problem solved 3 Check the Toner Sensor Assembly installation Is the Toner Sensor As...

Page 177: ...for continuity across J22 J221 Is it continuous Go to step 7 Replace the Toner Harness Assembly 2 7 Replace the Toner Sensor page 8 30 Does the problem still occur after replacement Replace the HVPS E...

Page 178: ...rms when there is no paper and out of the sensor arms when paper is present Go to step 2 Replace the Stack Full Actuator Stack Full Sensor on page 8 65 2 Check the Stack Full Sensor 1 1 Enter Service...

Page 179: ...No 1 Check the 24 V Interlock 1 Disconnect P J45 from the LVPS 2 Test for continuity across P J45 1 P J45 3 while manually operating the switch Is the switch continuous when pushed and open when rele...

Page 180: ...ck Is the switch continuous when pushed and open when released Go to step 3 Replace the Interlock Switch Assembly page 8 13 3 Check the LVPS Harness Assembly 1 Disconnect P J141 P J142 and P J144 of L...

Page 181: ...e 10 18 Print Engine General Wiring Diagram on page 10 17 Print Engine Plug Jack Locator on page 10 3 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the Rear Cover Switch 1 Disco...

Page 182: ...Procedure Steps Actions and Questions Yes No 1 Check the Interlock Switch Assembly 1 Disconnect P J411 2 Test for continuity across points P J411 1 P J411 3 while manually operating the switch Is the...

Page 183: ...ns and Questions Yes No 1 Check the LVPS Harness Assembly 1 Disconnect P J27 P J10 P J102 and P J101 from the LVPS Harness Assembly 2 Test for continuity across the following points J27 J102 J10 8 J10...

Page 184: ...tor Reverse Low Does the Exit Motor Assembly rotate Problem solved Replace the Exit Motor Assembly page 8 64 then go to step 2 2 Is the problem cleared after replacement Problem solved Go to step 3 3...

Page 185: ...4 J245 5 J24 15 J245 4 Are both continuous Go to step 2 Replace the Chute Assembly Harness 2 Check the Tray 1 Assembly Harness 1 Remove the Registration Clutch 2 Disconnect P J245 3 Test for continuit...

Page 186: ...wing points J24 13 J245 6 J24 12 J245 7 J24 5 J248 1 J24 4 J248 2 Are all continuous Go to step 2 Replace the Chute Harness 2 Check the Tray 1 and Tray 2 Harnesses 1 Remove the Feed Clutch 2 Disconnec...

Page 187: ...Board LVPS 150 Sheet Feeder 550 Sheet Feeder Main Fan on page 10 22 Print Engine General Wiring Diagram on page 10 17 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check the LVPS Harn...

Page 188: ...to the Print Cartridge Right Guide Assembly Is Print Cartridge Right Guide Assembly installed correctly Do the contacts on the Print Cartridge Right Guide make proper contact with both the plate of th...

Page 189: ...Are all continuous Go to LVPS Low Voltage Power Supply on page 4 4 Replace the LVPS Harness Assembly 5 Check the ANT Harness Assembly 1 Disconnect P J15 from the HVPS Engine Logic Board 2 Test each ca...

Page 190: ...Remove all options hard disk etc from the Image Processor Board 5 Switch the printer power ON Does the printer boot up correctly and is Ready displayed on the Front Panel Go to step 3 Go to step 2 2...

Page 191: ...ing Procedure Steps Actions and Questions Yes No 1 Check the 5 V power 1 Disconnect J402 from the DC DC Converter 2 Measure the voltage across P402 1 P402 2 Does the voltage measure 5 VDC Go to step 2...

Page 192: ...ssor Board None Troubleshooting Procedures Step Actions and Questions Yes No 1 Power on the printer Is RAM ERROR displayed on the Front Panel Go to Step 5 Go to Step 2 2 Is POWER ON SELF TEST ERROR 4...

Page 193: ...9 8 1 Power off the printer and move the suspected defective DIMM to the other memory socket 2 Power on the printer Does the DIMM fail in the new location Replace the DIMM and go to step 9 Replace th...

Page 194: ...plex Unit Plug Jack Locator on page 10 12 Duplex Unit Signal Diagram on page 10 30 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check for foreign noise Are there any other electrical...

Page 195: ...c Board Is J15 J150 continuous Go to step 9 Replace ANT Harness Assembly 9 Check the PWB grounds Remove the LVPS Shield Plate and HVPS Shield Plate RRP12 1 12 9 Is the ground normal Are the screws for...

Page 196: ...PS Engine Logic Board 550 Sheet Feeder Signal Diagram on page 10 28 550 Sheet Feeder General Wiring Diagram on page 10 27 550 Sheet Feeder Plug Jack Locator on page 10 10 Troubleshooting Procedure Ste...

Page 197: ...eet Feeder Signal Diagram on page 10 28 550 Sheet Feeder General Wiring Diagram on page 10 27 550 Sheet Feeder Plug Jack Locator on page 10 10 Troubleshooting Procedure Steps Actions and Questions Yes...

Page 198: ...Actuator 1 Remove the Optional 550 Sheet Feeder page 8 104 2 Install a 550 Sheet Paper Cassette 3 Manually operate the No Paper Actuator Does the No Paper Actuator operate smoothly Does the flag move...

Page 199: ...following points J855 5 J852 3 J855 6 J852 2 J855 7 J852 1 Are all continuous Go to step 5 Replace Clutch Sensor Harness 1 5 Check Clutch Sensor Harness 2 1 Disconnect connector P J85 from the 550 Sh...

Page 200: ...tuator 1 Remove the Optional 550 Sheet Feeder page 8 104 2 Install a 550 Sheet Paper Cassette 3 Move the Bottom Plate Assembly up and down Does the Low Paper Actuator operate smoothly Does the flag mo...

Page 201: ...ness 1 Install the Optional 550 Sheet Feeder page 8 104 2 Disconnect P J810 from the Low Paper Sensor 3 Disconnect P J81 from the 550 Sheet Feeder PWBA 4 Test J81 J810 for continuity Are all conductor...

Page 202: ...s Yes No 1 Check Feeder Size Assembly Harness 1 1 Remove Feeder Size Assembly Harness 1 2 Test each conductor between J801 J802 for continuity Is each cable continuous Go to step 2 Replace Feeder Size...

Page 203: ...2 Disconnect P J853 3 Test each conductor between J855 J853 for continuity Is each conductor continuous Go to step 2 Replace Clutch Sensor Harness 1 2 Check Clutch Sensor Harness 2 1 Disconnect P J85...

Page 204: ...ss 1 7 Check the power to the Feed Clutch Assembly 1 Measure the voltage across P20 10 P20 9 on the HVPS Engine Logic Board Is the voltage 24 VDC Replace the Feed Clutch Assembly page 8 110 Go to step...

Page 205: ...et Feeder Plug Jack Locator on page 10 10 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check Clutch Sensor Harness 1 for continuity 1 Disconnect P J855 2 Disconnect P J854 Is each ca...

Page 206: ...1 Remove Feeder Harness 1 2 Test for continuity across J20 J2083 Is it continuous Go to step 7 Replace Feeder Harness 1 7 Check the power to the Turn Roller Clutch Measure the voltage across P20 10 P2...

Page 207: ...ons Yes No 1 Check the Duplex Unit Assembly Harness 1 Remove the Duplex Unit 2 Disconnect P J50 from the Duplex Unit PWBA 3 Test each cable between J2750 J50 for continuity Is each cable continuous Go...

Page 208: ...J2750 J50 for continuity Is each cable continuous Go to step 2 Replace the Duplex Unit Assembly Harness 2 Check the LVPS Harness Assembly 1 Disconnect P J27 from the HVPS Engine Logic Board 2 Test eac...

Page 209: ...Wiring Diagram on page 10 29 24 V Interlock Rear Cover Switch Main Motor Sub Fan Exit Motor Assembly on page 10 18 Duplex Unit Plug Jack Locator on page 10 12 Troubleshooting Procedure Steps Actions...

Page 210: ...PWBA 3 Test each cable between J53 J530 for continuity Is each cable continuous Go to step 6 Replace the Duplex Unit Sensor Harness 6 Check the Duplex Unit Harness 1 Remove the Duplex Unit Harness 2 T...

Page 211: ...uplex Switch Is the switch continuous when pushed and open when released Go to step 2 Replace the Duplex Unit Switch page 8 131 2 Check the Duplex Unit Cover Harness 1 Remove the Duplex Unit Cover Har...

Page 212: ...31 24 V Interlock Rear Cover Switch Main Motor Sub Fan Exit Motor Assembly on page 10 18 Stacker Plug Jack Locator on page 10 14 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Check St...

Page 213: ...t select Stacker Motor Does the Stacker Motor run Problem solved Go to step 2 2 Check the Stacker Motor Harness 1 Remove the Stacker Motor Harness 2 Test J71 J710 for continuity Is the harness continu...

Page 214: ...ssembly Enter Service Diagnostics and from the Motors Fan Test select Stacker Offset Motor Does the offset assembly move back and forth when the test is initiated Problem solved Go to step 2 2 Check S...

Page 215: ...noid 1 Enter Service Diagnostics and from the Solenoid Test menu select Stacker Gate Solenoid Does the solenoid actuate when test is initiated Problem solved Go to step 2 2 Check Stacker Harness 2 1 D...

Page 216: ...eshooting Procedure Steps Actions and Questions Yes No 1 Check the Rear Cover Switch 1 1 Remove the Rear Cover Switch 2 Test for continuity across J740 2 J740 1 while pushing and releasing the Stacker...

Page 217: ...cross P J30 4 P J30 3 on the HVPS Engine Logic Board Does the voltage measure 3 3 VDC Go to Stacker PWBA on page 4 59 Go to step 6 6 Check the HVPS Engine Logic Board 1 Disconnect P J30 from the HVPS...

Page 218: ...2 Open the Rear Cover 3 Manually operate the Stacker Actuator Does the Stacker Actuator operate smoothly Does the flag move between the sensor arms when there is no paper and out of the sensor arms wh...

Page 219: ...uous Go to step 5 Replace Stacker Harness 2 5 Check Stacker Harness 1 1 Remove Stacker Harness 1 2 Test J30 J3070 for continuity Is the harness continuous Go to step 6 Replace Stacker Harness 1 6 Repl...

Page 220: ...ooting Procedure Steps Actions and Questions Yes No 1 Check the Stack Full Actuator 1 Remove the Stacker page 8 132 2 Manually operate the Stack Full Actuator Does the Stack Full Actuator operate smoo...

Page 221: ...o to step 4 Replace Stacker Harness 2 4 Check Stacker Harness 1 1 Remove Stacker Harness 1 2 Test J30 J3070 for continuity Is the harness continuous Go to step 5 Replace Stacker Harness 1 5 Replace th...

Page 222: ...1 Check the actuator of the Offset Chute 1 Remove the Stacker page 8 132 2 Remove the Stacker Cover page 8 134 3 Manually operate the actuator on the Offset Chute Does the Offset Chute operate smooth...

Page 223: ...4 70 Phaser 4500 Service Manual...

Page 224: ...5 Chapter Print Quality Troubleshooting In this chapter Print Quality Problems Overview Analyzing Test Prints Print Quality Troubleshooting...

Page 225: ...for use in the Phaser 4500 printer If the print quality defect is still present when printing on approved media from an unopened ream of paper then media software applications and environmental condi...

Page 226: ...eshooting menu These pages contain detailed explanations of print quality and image quality problems along with possible causes and solutions for the problems Print Quality Defect Definitions Defect D...

Page 227: ...TY The text line darkness and solid area density image varies across the print page 5 43 SKEWED IMAGE Angular displacement of the image from its intended position on the print See the specification pa...

Page 228: ...Print Quality Troubleshooting 5 5 Test Print s4500 256 Test Print est Print Phaser4500 030129 2 S Phaser4500 030129 2 S 8 5x1 8 5x11 SEF 1 SEF...

Page 229: ...mm visible on test prints Are there deletions on the test prints Go to step 2 Go to Fusing on page 5 7 2 Are there vertical in process direction Line Band deletions present Go to Vertical Deletions o...

Page 230: ...Print Quality Troubleshooting 5 7 Fusing Test Print Phaser4500 030129 2 S 8 5x11 SEF s4500 258...

Page 231: ...affects the warm up time The weight lb gsm or composition such as rag content of the paper or transparency affects the fusing of prints High humidity has an adverse effect on the fusing of prints Acti...

Page 232: ...nuous The diagonal lines might appear to be narrower than the others Arrow 2 The text paragraphs should be roughly equal in density Arrow 3 The half tone patches adjacent to the solid blocks in the co...

Page 233: ...per in half side edge to side edge Observe the fold line of the paper with reference to the cross hairs of the target Is the fold within 2 5 mm of the target cross hairs each line on the target is 1 m...

Page 234: ...d the paper in half Lead Edge to Trail Edge 2 Observe the fold line of the paper with reference to the cross hairs of the target Is the fold within 2 0 mm of the target cross hairs each line on the ta...

Page 235: ...ctions and Questions Yes No Inspect the ladder chart test pattern as shown in the figure Is the pattern free from skips and smears Go to Spots on page 5 13 Go to Skips and Smears on page 5 49 Test Pri...

Page 236: ...95 mm square There should be no spots larger than or equal to 0 5 mm visible on the prints There should be no more than 1 spot measuring between 0 4 mm and 0 5 mm visible on the print There should be...

Page 237: ...then press the OK button 2 Scroll to Print Test Pattern then press the OK button 3 Measure the dimensions A and B on two consecutive test patterns Is the difference between A and B 1 2 mm or less The...

Page 238: ...to Analyzing Test Prints on page 5 3 Go to step 2 2 Are there dark streaks present on the test prints Go to Vertical Streaks on page 5 25 or Horizontal Streaks on page 5 28 Go to step 3 3 Is there a...

Page 239: ...Ensure the NVRAM Laser Power adjustment is set to the default which is 4 Light Prints Troubleshooting Procedure Step Actions and Questions Yes No 1 1 Load fresh dry paper 2 Print a test print Does th...

Page 240: ...ge 8 55 7 1 Generate a test print and switch printer power OFF halfway through the print cycle 2 Carefully remove the Print Cartridge and inspect the toner image on the drum just before the transfer a...

Page 241: ...ngine Test Print 2 Scroll to Print Quantity then press the OK button 3 Press the OK button to move the cursor over the last digit then press the Up Arrow button until the last digit is 5 Press the Bac...

Page 242: ...ter frame Go to step 6 Replace the Print Cartridge Right Guide page 8 58 6 Is the Transfer Roller intact and free of contamination Go to step 7 Replace the Transfer Roller Assembly page 8 55 7 1 Gener...

Page 243: ...Print Cartridge Right Side Guide in the printer are clean Ensure the machine covers are in place and fit well so no outside light can enter the machine Black Prints Troubleshooting Procedures Step Ac...

Page 244: ...ted Vertical Deletions Troubleshooting Procedure Step Actions and Questions Yes No 1 1 Load fresh dry paper 2 Print a test print Is the problem still present Go to step 2 Problem solved 2 1 Install a...

Page 245: ...tate the Fuser Drive Gear and inspect the Pressure Roller Are the Heat Roller and Pressure Roller free of surface defects and contamination Go to Step 7 Replace the Fuser Assembly Fuser Assembly on pa...

Page 246: ...Diagnostics then select Engine Test Print 2 Scroll to Print Quantity then press the OK button 3 Press the OK button to move the cursor over the last digit then press the Up Arrow button until the las...

Page 247: ...drum completely developed with sharp black easy to read areas and no horizontal deletions Go to step 7 Go to HVPS Engine Logic Board on page 4 35 7 Inspect the toner image on the drum immediately afte...

Page 248: ...Cartridge and in the Print Cartridge Right Side Guide in the printer are clean Check that the paper is within specifications Inspect the paper path between the feed and exit points for contamination o...

Page 249: ...is Ready scroll to Information then press the OK button 3 Scroll to Information Pages menu then press the OK button 4 Scroll to Configuration Page then press the OK button Do the prints have vertical...

Page 250: ...ally and inspect the Heat Roller 3 Open the Fuser Jam Access Cover 4 Rotate the Fuser Drive Fear manually and inspect the Pressure Roller Are the Heat Roller and the Pressure Roller free of surface de...

Page 251: ...ect Engine Test Print 2 Scroll to Print Quantity then press the OK button 3 Press the OK button to move the cursor over the last digit then press the Up Arrow key until the last digit is 5 Press the B...

Page 252: ...Assembly page 8 55 7 1 On the front panel scroll to Information then press the OK button 2 Scroll to Information Pages then select the OK button 3 Scroll to Print Test Prints then press the OK button...

Page 253: ...Guide in the printer are clean Check that rollers and other components in the paper path are clean and unobstructed 9 Warning Allow the Fuser Assembly to cool before removing 1 Open the Rear Cover and...

Page 254: ...Transfer Roller Is the image on the drum completely developed with sharp black easy to read areas and no spots Go to step 4 Go to High Voltage Power Supply HVPS Assembly page 4 35 4 1 Open the Rear C...

Page 255: ...used Image Troubleshooting Procedure Step Actions and Questions Yes No 1 1 Replace the paper with fresh dry paper from an unopened ream 2 Print a test print Is the problem still present Go to step 2 P...

Page 256: ...erature setting 5 Is the overall print density within specification Go to step 6 Go to Light Undertoned Print on page 5 16 6 1 Open the Rear Cover 2 Remove the Fuser Assembly 3 Manually rotate the Fus...

Page 257: ...Fuser Assembly page 8 54 HVPS Engine Logic Board page 8 89 LVPS PWB page 8 78 Paper Type Default Fuser Temperature Setting Plain Medium Letterhead Medium Transparency Low Labels High Colored Paper Med...

Page 258: ...dry standard paper Print a test print Is the paper still damaged Go to step 3 Problem solved 3 Warning Allow the Fuser Assembly to cool before removing 1 Open the Rear Cover and remove the Fuser Asse...

Page 259: ...l damaged Go to step 7 Problem solved 7 Replace the following in order until the defective component is found Paper Feed Rollers page 8 20 Fuser Assembly page 8 54 Transfer Roller Assembly page 8 55 1...

Page 260: ...g Procedure Step Actions and Questions Yes No 1 1 Load fresh dry paper 2 Print a test print Is the problem still present Go to step 2 Problem solved 2 1 Install a new Print Cartridge 2 Print a test pr...

Page 261: ...cover 4 Manually rotate the Fuser Drive Gear and inspect the Pressure Roller Drive Are the Heat Roller and the Pressure Roller free of surface defects and contamination Go to step 5 Replace the Fuser...

Page 262: ...ge and in the Print Cartridge Right Side Guide in the printer are clean Repeating Defects Troubleshooting Procedure Step Actions and Questions Yes No 1 1 Replace paper with fresh dry paper 2 Print a t...

Page 263: ...clean Verify the paper is within the specifications on the Paper Tips Page Residual Image Troubleshooting Procedure Step Actions and Questions Yes No 1 1 Replace paper with fresh dry paper 2 Print a t...

Page 264: ...ive Gear and inspect the Pressure Roller Are the Heat Roller and the Pressure Roller free of surface defects and contamination Go to step 5 Clean or replace the Fuser Assembly page 8 54 5 Replace the...

Page 265: ...tions and Questions Yes No 1 1 Install a new Print Cartridge 2 Print a test print Is the background gone Problem solved Go to step 2 2 1 Generate a test print and switch OFF the printer power halfway...

Page 266: ...n the Laser window 4 1 Check the Fuser Assembly ground 2 Open Rear Cover 3 Check the connection between the printer frame and the screw on the back of Fuser Assembly Is Fuser Assembly grounded Go to s...

Page 267: ...e test print output image contain uneven print Go to step 2 Problem solved 2 1 Panic stop the printer halfway through the print cycle 2 Look at the image on the drum Does the image on the drum have ev...

Page 268: ...s Check for obstructions or contamination Clean or replace as necessary 2 The skewed image occurs on prints fed from all trays Check the Registration Sensor Check actuation and for obstructions or con...

Page 269: ...r replace if necessary Check the Tray 3 Retard Pad Retard Roller Clean or replace if necessary Check the Tray 3 Nudger Roller Clean or replace if necessary Check the Tray 3 Transport Rollers Check for...

Page 270: ...stration Troubleshooting Procedure Step Actions and Questions Yes No 1 Print Engine Test Prints from all Paper trays Print duplex prints if a duplex option is installed Is the image registration withi...

Page 271: ...ion Rollers page 8 26 Registration Sensor and Actuator page 8 27 150 Sheet Feeder Assembly page 8 18 If misregistration occurs in the process direction when feeding from a specific paper tray replace...

Page 272: ...nd Questions Yes No 1 Replace the Print Cartridge Does the printed image still have skips smears Go to step 2 Problem solved 2 Replace the Transfer Roller Does the printed image still have skips smear...

Page 273: ...5 50 Phaser 4500 Service Manual...

Page 274: ...6 Chapter Adjustments and Calibrations In this chapter Service Test Prints Adjustments Resetting Fuser Life Resetting Printer Values to the Factory Default Values...

Page 275: ...sure that Edge to Edge Printing is set to OFF before printing the Test Print otherwise the image will be shifted left If the default Print Quantity in the General Setup submenu is 5 the printer prints...

Page 276: ...Adjustments and Calibrations 6 3 s4500 256 Test Print Phaser4500 030129 2 S 8 5x11 SEF...

Page 277: ...is used for checking the functionality of various print engine components and for making the registration adjustment It is accessed through Service Diagnostics To print the Engine Test Print 1 Enter S...

Page 278: ...ss the Down Arrow or Up Arrow buttons to change the value then press the OK button Increasing the value increases image density Decreasing the value decreases image density The default value is 4 5 Ex...

Page 279: ...each tray To test the duplex registration continue with step 10 You cannot perform the duplex registration test unless the printer has a duplex unit 10 From the Engine Test Print menu select Duplex t...

Page 280: ...sing the value moves the image towards the lead edge 5 Press the OK button to save the setting 6 Press the Back button 7 Select Engine Test Print then press the OK button 8 Select Print Test Pattern t...

Page 281: ...then press the OK button 8 Select Print Test Pattern then press the OK button to print the Engine Test Pattern 9 Check the following measurements on two consecutive test patterns 10 Repeat steps 1 th...

Page 282: ...the OK button 3 Select Fuser Configuration then press the OK button 4 Select Temperature for paper type then press the OK button 5 Select a temperature setting from the four available then press the O...

Page 283: ...m this procedure after you install a new Maintenance Kit To reset the fuser 1 From the Main Menu select Information then press the OK button 2 Select Supplies Info then press the OK button 3 Select Re...

Page 284: ...Default Settings PostScript NVRAM on page 6 14 Note There is no single reset for the Print Engine NVRAM Resetting Connection Setup Values Resetting the connection setup values resets the Printer Name...

Page 285: ...Edge to Edge Printing settings 1 From the Main Menu select PostScript Setup then press the OK button 2 Select Reset PostScript Setup then press the OK button 3 Select Reset PostScript Setup NOW then p...

Page 286: ...er settings 1 From the Main Menu select Printer Controls Setup then press the OK button 2 Select Reset Printer Controls Setup then press the OK button 3 Select Reset Printer Controls Setup NOW then pr...

Page 287: ...Shortcut Using the Main Menu 1 From the Main Menu select Troubleshooting then press the OK button 2 Select Service Tools then press the OK button 3 Select Reset NVRAM press the OK button 4 Select Rese...

Page 288: ...7 Chapter Cleaning and Maintenance In this chapter Service Preventive Maintenance Procedure Recommended Tools Cleaning...

Page 289: ...otective bag Cleaning Caution Never apply alcohol to any parts in the printer If you remove the Print Cartridge place it in a light protective bag Note Never use a damp cloth to clean up toner 1 Recor...

Page 290: ...ne Covers Print Engine 150 or 550 Sheet Paper Cassette Print Engine 150 Sheet Feeder Print Engine 550 Sheet Paper Feeder Print Engine Xerographics Print Engine Paper Exit Print Engine Frame and Drive...

Page 291: ...s is not a simple reversal of the removal a replacement procedure is included Replacement Notes provide tips and suggestions that can aid in reassembling the part Standard Orientation of the Printer L...

Page 292: ...the Fuser Caution Many parts are secured by plastic tabs DO NOT over Flex or force these parts Do not over torque the screws threaded into plastic parts Note Names of parts that appear in the disassem...

Page 293: ...t Cover PL10 1 1 1 Open the Paper Exit Rear Door 2 Unscrew the thumbscrews at the right and left rear sides of the Paper Exit Cover 3 Lift the rear of the Paper Exit Cover then pull back to release th...

Page 294: ...2 Lift the lever to release the lock and open the Paper Exit Rear Door 3 Pry out the hinge retainer on the right side 4 Release the hook of the left side hinge and shift the Paper Exit Rear Door in t...

Page 295: ...flange 8 mm one gold tapping 8 mm that attach the Rear Cover to the printer 3 Swing out the left end of the door then disengage the three hooks on the right side and move the door away from the printe...

Page 296: ...FRU Disassembly 8 7 Right Cover PL1 1 4 1 Thumbscrew 2 Bottom Hooks s4500 058 1 2...

Page 297: ...es the Right Cover 2 Shift the Right Cover towards the rear of the printer to release the four hooks two at the bottom edge one in front and one on rear then swing out the bottom edge 3 Move the Right...

Page 298: ...ift the Left Cover towards the rear of the printer to release the five hooks one at the front two at the bottom two on the rear then swing out the bottom edge 3 Move the Left Cover downward to release...

Page 299: ...removing the Top Cover Assembly by prying up carefully on the right edge of the Front Panel 1 Remove the Print Cartridge 2 Remove the Paper Exit Cover page 8 4 or Stacker if installed page 8 132 3 Re...

Page 300: ...ard enough to release the hooks at the front b Tilt up the front and disconnect the Front Panel harness from the connector P J810 on the Front Panel circuit board c Release the Front Panel harness fro...

Page 301: ...over PL1 1 5 1 Remove the Top Cover Assembly page 8 10 2 Release the two upper hooks that secure the Front Cover to the printer by pressing down on the hooks 3 Tilt the cover out and lift to release t...

Page 302: ...FRU Disassembly 8 13 Interlock Switch Assembly PL1 1 11 1 Top Cover Assembly 3 Cable Clamps 2 Hole s4500 062 1 2 3...

Page 303: ...over Assembly on the right hand side near the Top Cover opening 2 Remove the two screws gold tapping 8 mm that attach the Interlock Switch Assembly 3 Lift the Interlock Switch Assembly from the Top Co...

Page 304: ...t Engine 150 or 550 Sheet Paper Cassette Retard Roller and Holder PL2 1 2 and 2 1 51 for 150 sheet PL 4 1 2 and 4 1 51 for 550 sheet the roller is also part of the Maintenance Kit 1 Retard Roller 2 Re...

Page 305: ...then release the hook retaining the Retard Roller and slide it off the shaft 3 Release the hooks that secure the Retard Holder to the Paper Cassette using a screwdriver or similar tool 4 Lift up the...

Page 306: ...FRU Disassembly 8 17 1 Retard Roller 4 Retard Holder 2 Friction Clutch 5 Retard Spring 3 Hooks 6 150 or 550 Sheet Paper Cassette s4500 063 1 4 2 3 5 6...

Page 307: ...bly page 8 54 3 Remove the Main Fan page 8 84 4 Remove the Transfer Chute page 8 56 5 Disconnect the two harnesses P J 245 and P J 221 6 Swing the roller holder assembly up firmly until it latches in...

Page 308: ...8 19 8 Shift the 150 Sheet Feeder Assembly backward to disengage the right boss from the frame 9 Lift the 150 Sheet Feeder Assembly to disengage the left boss 10 Remove the 150 Sheet Feeder Assembly f...

Page 309: ...ger Roller Feed Roller PL5 1 11 PL5 1 44 the rollers are also part of Maintenance Kit Note When handling the Nudger Roller and Feed Roller Assemblies avoid touching the rubber roller surfaces 1 Feed R...

Page 310: ...move the Print Cartridge and protect it from light exposure 3 Release the hook retaining the Nudger Roller and slide the Nudger Roller off the Nudger Shaft 4 Release the hook retaining the Feed Roller...

Page 311: ...8 22 Phaser 4500 Service Manual Nudger One way Clutch PL5 1 42 1 Nudger One way Clutch 3 Feed Roller 2 Feed One way Clutch s4500 092 1 2 3...

Page 312: ...the Top Cover 2 Remove the Feed Roller page 8 20 3 Slide the Feed One way Clutch off the Feed Shaft 4 Remove the E ring retaining the Nudger One way Clutch on the Feed Shaft 5 Slide the Nudger One wa...

Page 313: ...8 24 Phaser 4500 Service Manual Nudger Gear PL5 1 10 1 Nudger Gear 5 Boss Lift Up 2 Nudger Roller 6 Left Holder 3 Nudger Support 7 Hooks 4 No Paper Actuator s4500 163 4 6 7 7 7 5 6 3 4 5 6 1 2...

Page 314: ...f the arrow to release the three hooks 3 Remove the Left Holder and No Paper Actuator from the Nudger Support 4 Release the hook of the Nudger Roller and pull the Nudger Roller out from the Nudger Sha...

Page 315: ...Harness Assembly 3 Remove the E ring retaining the Feed Clutch and slide the Feed Clutch Assembly from the Feed Shaft 4 Disconnect the connector P J 243 of the Registration Clutch from the Tray 1 Harn...

Page 316: ...bly 3 Release the hooks that secure the Registration Sensor and remove it from the Sensor Cover 4 Disconnect the connector P J241 of the Tray 1 Harness Assembly from the Registration Sensor Replacemen...

Page 317: ...8 28 Phaser 4500 Service Manual No Paper Sensor PL5 1 38 1 No Paper Sensor Holder 3 150 Sheet Feeder Assembly 2 No Paper Sensor s4500 098 1 2 3 P J 240...

Page 318: ...es into the lifted position detent 6 Remove the screw gold 8 mm that attaches the No Paper Sensor Holder 7 Remove the No Paper Sensor Holder from the 150 Sheet Feeder Assembly 8 Release the hooks that...

Page 319: ...otate the sensor D holder to its vertical position noting the orientation of its tensioning spring 5 Slide the holder to the left to release the hinge pins from the Feeder Assembly Note When removing...

Page 320: ...ug the connector P J248 and release the cables from the two cable restraints on the Tie Plate 4 Remove the four screws gold w lock washer and washer 8 mm that attach the Tie Plate to the frame 5 Remov...

Page 321: ...1 and Tray 2 3 Lift up the 150 Sheet Feeder Assembly until it locks into the raised detent position 4 Reach through the Paper Cassette openings and release the hook retaining the Nudger Roller Slide...

Page 322: ...ft up the 150 Sheet Feeder Assembly until it locks into the raised detent position 4 Remove the Feed Roller page 8 32 5 Slide the Feed One way Clutch off the Feed Shaft 6 Remove the E ring retaining t...

Page 323: ...34 Phaser 4500 Service Manual Nudger Gear PL7 1 18 1 Nudger Support 5 Nudger Roller 2 No Paper Actuator 6 Pick Gear 3 Boss Lift Tab 7 Metal pivot plate 4 Left Holder 8 Hook s4500 105 1 2 3 4 5 6 7 8 7...

Page 324: ...eft side 8 Lift the boss of the Left Holder at the back of the 550 Sheet Feeder Assembly then shift the Left Holder in the direction of the arrow to release the three hooks 9 Remove the Left Holder an...

Page 325: ...8 36 Phaser 4500 Service Manual Feed Clutch PL7 1 20 1 Out Chute 3 Feed Clutch 2 Tie Plate s4500 106 1 2 3 1 P J 247...

Page 326: ...age 8 31 3 Remove the six screws gold tapping 8 mm that attach the Tie Plate to the Out Chute and remove the Tie Plate from the Out Chute 4 Unplug the connector P J247 of the Feed Clutch from the Tray...

Page 327: ...er Sensor Holder 3 Remove the No Paper Sensor Holder from the 550 Sheet Feeder Assembly 4 Release the hooks that secure the No Paper Sensor to the No Paper Sensor Holder and remove the No Paper Sensor...

Page 328: ...per Cassettes 2 Remove any optional 550 Sheet Feeder s page 8 93 3 Lay the printer on its right side 4 Remove the screw silver 6 mm that attaches the Right Tray Guide to the frame 1 Low Paper Sensor H...

Page 329: ...the wire harness from the rear of the Right Tray Guide 7 Unplug the connector P J260 of the Low Paper Sensor Harness from the Right Tray Guide Replacement Notes After re connecting P J260 make sure t...

Page 330: ...ne gold tapping 8 mm two silver machine 6 mm three gold machine 6 mm that attach the Left Tray Guide to the frame 7 Swing the bottom edge of the Left Tray Guide up then pull the guide out of the frame...

Page 331: ...8 42 Phaser 4500 Service Manual Low Paper Sensor Actuator PL7 1 4 1 Low 1 Harness Assembly 3 Latch hooks 2 Low Paper Sensor 4 Actuator s4500 110 1 2 4 P J 260 3...

Page 332: ...care not to scratch or mar the printer covers 4 Squeeze the actuator latch hooks together and lift the actuator off the pivot shaft 5 Release the sensor harness wires from the restraints 6 Release the...

Page 333: ...ngine Xerographics Front Duct Sub Fan PL8 1 4 PL8 1 5 1 Remove the Front Cover page 8 12 Removing the Front Cover requires removing all other printer covers and the Paper Exit Assembly 1 Front Duct 2...

Page 334: ...from the LVPS Harness Assembly at connector P J270 4 Release the gray wires from the Cable Slot 5 Remove the Front Duct with the Sub Fan attached from the frame by moving it in the direction of the a...

Page 335: ...ing the Laser Unit Assembly set the printer on a smooth level work surface such as a desk Working on a rough or inclined surface can result in mis alignment of the Laser Unit Assembly 1 Laser Unit Ass...

Page 336: ...o the frame and remove the Front Tie Plate 6 Release the harnesses from two cable clamps on top of the Laser Unit Assembly Caution The printed circuit board on the Laser Unit Assembly is fragile Suppo...

Page 337: ...er Assembly page 8 54 2 Remove the Laser Unit Assembly page 8 46 3 Remove the two screws black with flange 8 mm that attach the Laser Unit Shield Plate to the frame 4 Lift the Laser Unit Shield Plate...

Page 338: ...rness Assembly 2 wire gray harness 5 Remove the LVPS Shield Plate page 8 75 6 Unplug J45 from P45 on the LVPS to disconnect the Top Cover Switch 7 Remove the three screws gold machine 6 mm that attach...

Page 339: ...PL8 1 17 1 Remove the Fuser Assembly page 8 54 2 Remove the Transfer Roller Assembly page 8 55 3 Remove the Left Tray Guide page 8 41 1 Fuser Harness Assembly 4 Claws 2 Print Cartridge Guide Cover 5 H...

Page 340: ...7 Spread the loops on the Print Cartridge Guide Cover to release the hooks in the Print Cartridge Left Guide Then remove the Print Cartridge Guide Cover together with the Fuser Harness Assembly Cautio...

Page 341: ...move the Transfer Roller Assembly page 8 55 2 Remove the Laser Unit Shield Plate page 8 48 3 Remove the LVPS Shield Plate page 8 75 4 Remove the Left Tray Guide page 8 41 5 Remove the Motor Cover page...

Page 342: ...bly 8 53 6 Remove the Print Cartridge Left Guide page 8 49 7 Remove the Print Cartridge Guide Cover and Fuser Harness Assembly from the Print Cartridge Left Guide page 8 50 8 Remove the Link Lever and...

Page 343: ...o remove the fuser until it cools down sufficiently to be handled 1 Open the Paper Exit Rear Door page 8 5 2 Push down the Left and Right Fuser Levers in the direction of the arrow to release the Fuse...

Page 344: ...ge and leave the Top Cover open Protect the Print Cartridge from light exposure 2 Pinch the hooks of both ends of the Transfer Roller Assembly and remove it from the printer Note Be careful to avoid d...

Page 345: ...8 56 Phaser 4500 Service Manual Transfer Chute PL8 1 22 1 Transfer Chute 2 Latch tab s4500 122 2 1...

Page 346: ...8 55 2 Remove the Fuser Assembly page 8 54 3 Remove the Main Fan page 8 84 4 Lift the Latch Tab on the Transfer Chute and shift the Transfer Chute toward the printer s left side 5 Shift the Transfer C...

Page 347: ...0 Service Manual Print Cartridge Right Guide Assembly PL8 1 25 1 Image Processor Shield Assembly 3 HVPS Engine Logic Board 2 HVPS Shield Plate 4 Print Cartridge Right Guide Assembly S4500 124 P31 P15...

Page 348: ...the HVPS Shield Plate page 8 88 6 Unplug the HV connector J31 from P31 on the HVPS Engine Logic Board 7 Unplug J15 from P15 on the HVPS Engine Logic Board 8 Remove the three screws silver machine 6 m...

Page 349: ...500 Service Manual Duplex Unit Opening Cover PL9 1 13 1 Release the latch hooks of the Duplex Unit Opening Cover and remove it from the Paper Exit Rear Door 1 Duplex Unit Opening Cover 2 Latch hooks s...

Page 350: ...e 8 132 if installed 2 Remove the Right Cover page 8 7 3 Remove the Left Cover page 8 9 4 Remove the Image Processor Shield Assembly page 8 86 5 Unplug J29 the Exit Sensor Harness Assembly from P29 on...

Page 351: ...the Exit Motor PWBA 7 Remove the four screws gold machine w washers 8 mm that attach the Paper Exit Assembly to the top of the printer and the one screw silver flanged machine 8 mm that attaches the P...

Page 352: ...Exit Chute to the Lower Exit Chute 3 Separate the Upper Exit Chute and Lower Exit Chute Replacement Note Be sure that the Stacker Gate Link is pivoted to the front of the Upper Exit Chute when reasse...

Page 353: ...Exit Assembly page 8 61 2 Remove the Upper Exit Chute page 8 63 3 Remove the two screws silver machine 6 mm that attach the Exit Motor Assembly to the Exit Motor Bracket 4 Remove the Exit Motor Assemb...

Page 354: ...ssembly page 8 61 2 Remove the Upper Exit Chute page 8 63 3 Unplug J290 from P290 on the Stack Full Sensor 4 Release the hooks of the Stack Full Sensor and remove the Stack Full Sensor from the Lower...

Page 355: ...bly page 8 61 2 Remove the Upper Chute page 8 63 3 Remove the Stack Full Actuator from the Upper Exit Chute a Snap the flag end out of the retainer b Shift to the left as shown in the drawing to pull...

Page 356: ...FRU Disassembly 8 67 Print Engine Frame and Drive Motor Cover PL11 1 1 1 Motor Cover s4500 137 1...

Page 357: ...e Fuser Assembly page 8 54 4 Remove the Laser Unit Shield Plate page 8 48 5 Remove the Left Tray Guide page 8 41 6 Swing the 150 Sheet Feeder roller assembly upward to lock it into its raised detent p...

Page 358: ...FRU Disassembly 8 69 Main Motor PL11 1 2 1 Main Motor 3 LVPS 2 LVPS Shield Plate s4500 138 1 2 P43 3 J43...

Page 359: ...from P43 on the LVPS 4 Remove the Motor Cover page 8 67 5 Remove the three screws gold machine 6 mm that attach the Main Motor to the frame Note The screws that attach the Main Motor to the frame are...

Page 360: ...e the Left Cover page 8 9 2 Remove the LVPS Shield Plate page 8 75 3 Unplug J44 Rear Cover Switch cable from P44 on the LVPS 4 Release the wiring harnesses from the cable restraints on the Gear Assemb...

Page 361: ...Assembly Housing and remove it from the frame Replacement Notes When installing engage the gears of the Gear Assembly Housing Main Motor and Gear Assembly Plate by rotating Tray 1 and Tray 2 feeder c...

Page 362: ...FRU Disassembly 8 73 Gear Assembly Plate PL11 1 10 1 Gear 9 4 Gear 2 Gear Assembly Plate 5 Spring 3 Locking Tab s4500 141 1 2 4 5 3...

Page 363: ...Assembly Plate Take care to avoid dropping these parts 3 Remove the four screws silver machine 6 mm that attach the Gear Assembly Plate to the frame 4 Remove the Gear Assembly Plate 5 Release the loc...

Page 364: ...Engine Electrical LVPS Shield Plate PL12 1 3 1 Remove the Front Cover page 8 12 2 Remove the five screws silver 6 mm that attach the LVPS Shield Plate to the frame 3 Remove the LVPS Shield Plate 1 LVP...

Page 365: ...8 76 Phaser 4500 Service Manual Exit Motor PWBA PL12 1 4 1 Exit Motor PWBA 3 P J 101 2 P J 102 4 P J 103 s4500 143 1 2 3 4...

Page 366: ...emove the Rear Cover page 8 6 3 Remove the Left Cover page 8 9 4 Disconnect the harnesses from the connectors P J101 P J102 and P J103 on the Exit Motor PWBA 5 Remove the two screws silver 6 mm that a...

Page 367: ...8 78 Phaser 4500 Service Manual Low Voltage Power Supply LVPS PL12 1 5 1 Exit Motor PWBA 3 P101 2 LVPS 4 P J404 46 47 45 P J 42 4140 43 44 48 P J s4500 144 1 2 3 4...

Page 368: ...d connections and attempts to disconnect the wires will damage the circuit board 3 Disconnect the harness connector from P101 on the Exit Motor PWBA 4 Unplug the inline harness connector at P J 404 5...

Page 369: ...al DC DC Converter PL 12 01 AA 1 Remove the Front Cover page 8 12 2 Unplug the cable connectors at P401 P402 and P403 3 Remove the two screws silver machine 6 mm and lift out the board 1 DC DC Convert...

Page 370: ...isassembly 8 81 Power Switch AC Power Harness Assembly PL12 1 6 PL12 1 8 1 LVPS 5 Power Switch 2 P J 48 6 AC Inlet 3 Cable tie clamp 7 Ground Wire 4 P J 480 8 Cable Retainer Hooks s4500 145 6 7 8 1 2...

Page 371: ...e AC Power Harness Assembly from the Power Switch 5 Disconnect the connector P J48 of the AC Power Harness Assembly from the LVPS 6 Release the cable tie clamp of the AC Power Harness Assembly 7 Remov...

Page 372: ...ect the connector P J44 of the Rear Cover Switch from the LVPS 3 Release the Harness Assembly of the Rear Cover Switch from the clamps on the Gear Assembly Housing 4 Remove the screw silver 6 mm that...

Page 373: ...8 84 Phaser 4500 Service Manual Main Fan PL12 1 10 1 Main Fan 2 Label 1 s4500 147 2...

Page 374: ...nect the connector P J244 of the Main Fan from the Tray 1 Harness Assembly 4 Remove the two screws tapping 30 mm that attach the Main Fan to the frame Replacement Note When installing make sure the ha...

Page 375: ...hield Assembly PL12 1 14 1 Remove the Right Cover page 8 7 2 Remove the twelve screws silver 6 mm that attach the Image Processor Shield Assembly to the frame 3 Remove the Image Processor Shield Assem...

Page 376: ...sembly 8 87 I P Shield Window PL12 1 15 1 Remove the Right Cover page 8 7 2 Remove the two screws that secure the Shield Window to the IP Shield Assembly 3 Remove the Shield Window 1 Shield Window s45...

Page 377: ...te PL12 1 18 1 Remove the Right Cover page 8 7 2 Remove the Image Processor Shield Assembly page 8 86 3 Remove the 10 screws silver 6 mm that attach the HVPS Shield Plate to the frame 4 Remove the HVP...

Page 378: ...Board PL12 1 19 1 Remove the Right Cover page 8 7 2 Remove the HVPS Shield Plate page 8 88 1 Hook 3 HVPS Shield Bracket 2 HVPS Engine Logic Board 4 Right Handle Bracket s4500 151 10 11 27 13 14 15 18...

Page 379: ...estraints 9 Unplug the remaining cables from connectors P J10 11 13 14 15 16 17 18 20 22 24 26 27 29 30 and 31 on the HVPS Engine Logic Board 10 Remove the four remaining screws silver 6 mm that attac...

Page 380: ...13 Caution Observe electrostatic precautions when handling the I P board and its components 1 Remove the Right Cover page 8 7 1 Memory DIMMs 4 NVRAM U660 2 Flash Memory Optional 5 Rear Panel 3 Hard D...

Page 381: ...with the Rear Panel attached 7 Remove the memory DIMM s 8 Remove the optional Flash Memory if present 9 Remove the optional Hard Drive if present 10 Remove the socketed NVRAM U660 11 Remove the Config...

Page 382: ...FRU Disassembly 8 93 Options 550 Sheet Paper Feeder 550 Sheet Paper Feeder Removal 1 550 Sheet Paper Feeder 2 Latch Clip s4500 152 1 2...

Page 383: ...4 Remove two Latch Clips at the rear of the printer and the two Latch Clips inside the tray insertion space that secure the printer and the optional 550 Sheet Paper Feeder 5 Lift and remove the printe...

Page 384: ...FRU Disassembly 8 95 Right Cover Plate PL20 1 1 1 Right Cover Plate 3 Boss 2 550 Right Cover Frame s4500 153 1 3 2...

Page 385: ...just above the boss of the 550 Right Cover Frame a little to release it 3 Shift the Right Cover Plate in the direction of the arrow to release the four hooks of the 550 Right Cover Frame and remove th...

Page 386: ...FRU Disassembly 8 97 Left Cover Plate PL20 1 3 1 Grounding Plate 3 550 Left Cover Frame 2 Left Cover Plate s4500 154 1 2 3...

Page 387: ...e it 4 Shift the Left Cover Plate in the direction of the arrow to release the 4 hooks of the 550 Left Cover Frame and remove the Left Cover Plate from the optional 550 Sheet Paper Feeder Replacement...

Page 388: ...accessed through square cutouts in the frame 3 Shift the Option Paper Size Switch Assembly in the direction of the arrow to release the bosses and remove it from the 550 Left Cover Frame 4 Disconnect...

Page 389: ...00 Service Manual Optional Feeder Drive Assembly PL20 1 8 1 Remove the optional 550 Sheet Paper Feeder page 8 93 2 Remove the Left Cover Plate page 8 97 1 Optional Feeder Drive Assembly 2 Screw A s450...

Page 390: ...8 mm one silver machine 6 mm that attach the Optional Feeder Drive Assembly to the 550 Left Cover Frame 7 Lift the left end of the Optional 550 Sheet Feeder to provide enough clearance while removing...

Page 391: ...8 102 Phaser 4500 Service Manual 550 Sheet Feeder PWBA PL20 1 34 1 550 Sheet Feeder PWBA 2 Boss s4500 159 P J82 85 81 84 83 80 1 2...

Page 392: ...8 95 2 Disconnect the harness connectors from the connectors P J80 P J81 P J82 P J83 P J84 and P J85 on the 550 Sheet Feeder PWBA 3 Remove the two screws gold tapping 8 mm that attach the 550 Sheet Fe...

Page 393: ...8 104 Phaser 4500 Service Manual 550 Sheet Feeder PL20 2 1 1 Feeder Rear Cover 3 Lower Chute 2 Optional 550 Sheet Feeder 4 Harness Clamps s4500 160 4 3 2 1...

Page 394: ...ender adapters that could stay with either side of the harness 3 Disconnect the three wiring harness connectors P J801 P J820 and P J855 exposed behind the Rear Cover 4 Release release the wiring harn...

Page 395: ...etains the Nudger Roller and pull the roller off the Nudger Shaft 2 Release the hook that retains the Feed Roller and pull the roller off the Feed Shaft Replacement Note The same roller same part numb...

Page 396: ...r page 8 106 2 Pull out the One way Feed Clutch from the Feed Shaft 3 Remove the E ring that secures the Nudger One way Clutch to the Feed Shaft 4 Pull out the Nudger One way Clutch from the Feed Shaf...

Page 397: ...8 108 Phaser 4500 Service Manual Nudger Gear PL20 2 10 1 Nudger Gear 5 Boss Lift Up 2 Nudger Roller 6 Left Holder 3 Nudger Support 7 Hooks 4 No Paper Actuator s4500 163 4 6 7 7 7 5 6 3 4 5 6 1 2...

Page 398: ...Sheet Paper Feeder shift the Left Holder in the direction of the arrow to remove the 3 hooks 3 Remove the Left Holder from the Nudger Support At the same time the No Paper Actuator is removed 4 Releas...

Page 399: ...Feed Clutch Assembly PL20 2 21 1 Remove the optional 550 Sheet Paper Feeder page 8 93 2 Remove the six screws gold taping 8 mm that attach the Tie Plate 1 Out Chute 3 Tie Plate 2 Feed Clutch Assembly...

Page 400: ...ing step has a gender adapter that could stay with either side of the harness 4 Disconnect the connector P J853 of the Feed Clutch Assembly from the Clutch Sensor 1 Assembly Harness 5 Remove the E rin...

Page 401: ...he Out Chute Note The connector in the following step has a gender adapter that could stay with either side of the harness 4 Disconnect the connector P J854 of the Turn Roller Clutch from the Clutch S...

Page 402: ...FRU Disassembly 8 113 Retard Roller PL20 3 2 1 Retard Roller 3 Hooks 2 Friction Clutch 4 Retard Spring s4500 168 1 2 3 4...

Page 403: ...the Retard Roller and pull it out from the Retard Shaft Note You can also remove the Retard Roller by pushing down the Retard Holder Replacement 1 Install the Retard Roller to the Retard Shaft and se...

Page 404: ...FRU Disassembly 8 115 Options Duplex Unit Duplex Unit Removal PL 21 1 1 Thumbscrew 3 Bottom Hook 2 Right Latch Lever 4 Duplex Unit s4500 184 2 4 1 3...

Page 405: ...Thumb Screws that secure the Duplex Unit to the printer 2 Push up the Right Latch Lever to release the Duplex Unit from the printer 3 Tilt the Duplex Unit back then lift away from the printer Replacem...

Page 406: ...y 8 117 Left Cover PL21 1 25 1 Remove the three screws gold tapping 8 mm that attach the Left Cover 2 Remove the Left Cover from the Duplex Unit Housing Cover 1 Duplex Unit Housing Cover 2 Left Cover...

Page 407: ...rvice Manual Right Cover PL21 1 41 1 Remove the two screws gold tapping 8 mm that attach the Right Cover 2 Remove the Right Cover from the Duplex Unit Housing Cover 1 Right Cover 2 Duplex Unit Housing...

Page 408: ...ve the screw gold tapping 8 mm that attaches the Top Cover to the Duplex Unit Housing Cover 3 Shift the Top Cover in the direction of the arrow to release the four hooks and remove the Top Cover from...

Page 409: ...ing PL21 1 1 1 Remove the four screws gold tapping 8 mm that attach the Upper Assembly Housing to the Duplex Unit 2 Remove the Upper Assembly Housing from the Duplex Unit Housing Cover 1 Upper Assembl...

Page 410: ...it Lower Housing PL21 1 6 1 Duplex Unit Harness 5 Hinge Screw 2 Duplex Unit Ground Wire 6 Damper Spring 3 Duplex Unit PWBA 7 Duplex Unit Lower Housing 4 Shoulder Screw 8 Duplex Unit Housing Cover s450...

Page 411: ...isconnect the Duplex Unit Ground Wire 5 Release the Duplex Unit Harness from the harness clamp 6 Remove the Shoulder Screw that attaches the Damper Spring 7 Remove the two Hinge Screws that secure the...

Page 412: ...ess connectors from P50 P51 P52 P53 and P54 on the Duplex Unit PWBA Note The P55 connector is unused 5 Remove the two screws one gold tapping 8 mm one silver machine 6 mm that attach the Duplex Unit P...

Page 413: ...8 124 Phaser 4500 Service Manual Duplex Unit Fan PL21 1 33 1 Duplex Unit PWBA 3 Duplex Unit Fan 2 Duplex Unit Housing Cover 4 Label s4500 190 2 3 4 1 J54 P54...

Page 414: ...8 119 3 Unplug the fan cable connector J54 from P54 on the Duplex Unit PWBA 4 Release the fan cable from the hook on the Duplex Unit Housing Cover 5 Remove the two screws gold tapping 22 mm that atta...

Page 415: ...Top Cover page 8 119 3 Release the hooks of the Duplex Unit Sensor and remove it from the Duplex Unit Housing Cover 4 Disconnect the connector P J530 of the Duplex Unit Assembly Harness SNR form the D...

Page 416: ...Left Cover page 8 117 2 Remove the Right Cover page 8 118 3 Remove the Top Cover page 8 119 1 Shoulder Screw tapping 5 Roller Gear 2 Damper Cover 6 Duplex Unit Rollers 3 Damper Spring 7 Duplex Unit H...

Page 417: ...r Spring from the Duplex Unit Housing Cover Note Some of the gears do not have retainers and could fall off Be careful not to lose any of the gears 8 Release the hooks of three Roller Gears and remove...

Page 418: ...FRU Disassembly 8 129 Duplex Unit Motor PL21 1 29 1 Duplex Unit Motor 4 Latch Spring 2 Ground wire 5 Duplex Unit Housing Cover 3 Motor Bracket s4500 195 1 2 5 4 3...

Page 419: ...three screws gold tapping 8 mm that attach the Motor Bracket to the Duplex Unit Housing Cover 6 Remove the Latch Spring 7 Remove the Motor Bracket together with the Duplex Unit Motor and Duplex Unit...

Page 420: ...it Motor procedure page 8 129 4 Disconnect the connector of the Duplex Unit Cover Assembly Harness from the connector P J52 of the Duplex Unit Switch 5 Release the hooks of the Duplex Unit Switch and...

Page 421: ...r Stacker Removal 1 Loosen the two thumb screws that secure the Stacker to the printer 2 Tilt the Stacker forward to release connector P J3070 and the front hooks then lift the Stacker off the printer...

Page 422: ...r Rear Cover PL23 1 4 1 Open the rear cover about 1in 2cm 2 While pressing the door either to the left or right lift the opposite end upward to clear the boss from the hinge in the Stacker Cover 1 Rea...

Page 423: ...8 134 Phaser 4500 Service Manual Stacker Cover PL23 1 1 1 Stacker Cover s4500 201 1...

Page 424: ...m the Stack Full Shaft 5 Disengage both Right Flapper hinges from the Stacker Cover 6 Disengage the Link attached to the Right Flapper from the Stack Full Actuator 7 Remove the four screws gold tappin...

Page 425: ...e Output Full Actuator arm or flag 3 Install the four screws gold tapping 8 mm that attach the Stacker Cover to the Stacker Note The crank arms on the Stack Full Actuator and Stack Full Shaft are hidd...

Page 426: ...8 134 3 Remove the three screws gold tapping 8 mm that attach the Stacker Front Cover to the Stacker 4 Release the hooks on both sides of the Stacker Front Cover and remove the Stacker Front Cover Not...

Page 427: ...cker Rear Cover page 8 133 2 Remove the Stacker Cover page 8 134 3 Remove the four screws gold tapping 8 mm that attach the Stacker Tray Assembly to the Stacker Cover and remove the Stacker Tray Assem...

Page 428: ...FRU Disassembly 8 139 Stack Full Actuator PL23 1 15 1 Flap 3 Hook 2 Stack Full Actuator s4500 206 1 2 3...

Page 429: ...the actuator in the direction of the arrow 2 to remove from the Stacker Replacement 1 Lift up the Stack Full Actuator in the direction of the arrow 1 and insert it to the hook Move the Stack Full Actu...

Page 430: ...141 2 Install the Stacker Cover page 8 134 3 Install the Stacker Rear Cover page 8 133 Note After installation manually move the Left Flapper and verify that the Stack Full Actuator moves together wit...

Page 431: ...8 142 Phaser 4500 Service Manual Stacker PWBA PL23 1 22 1 Stacker PWBA 3 Guide Slots 2 Stacker Right Support s4500 208 P74 1 2 2 P70 P72 P71 P73 P75 3...

Page 432: ...cker PWBA 5 Remove the two screws gold tapping 8 mm that attach the Right Stacker Support to the Stacker Housing 6 Remove the screw silver 6 mm that attaches the Stacker PWBA to the Right Stacker Supp...

Page 433: ...page 8 133 2 Remove the Stacker Cover page 8 134 3 Remove the Stacker Front Cover page 8 137 4 Remove the Stacker PWBA page 8 142 5 Remove the two screws gold tapping 8 mm that attach the Offset Moto...

Page 434: ...ont Cover page 8 137 4 Remove the Stacker PWBA page 8 142 5 Remove the Offset Motor Assembly page 8 144 6 Remove the two screws silver with washer 6 mm that attach the Gate Solenoid Assembly to the St...

Page 435: ...8 146 Phaser 4500 Service Manual Stacker Sensor and Actuator PL23 1 30 1 Stacker Actuator 4 Stacker Housing 2 Pivot Hooks 5 Actuator Spring 3 Stacker Sensor s4500 211 J730 4 2 1 5 4 3...

Page 436: ...4 Shift the Stacker Actuator in the direction of the arrows to release the pivots from the hooks on both sides Note Carefully observe the orientation of the actuator spring for reference when reassemb...

Page 437: ...1 18 1 Remove the Stacker Rear Cover page 8 133 2 Remove the Stacker Cover page 8 134 3 Disconnect the wire harness from the Interlock Switch 4 Compress the hooks on the top and bottom of the switch a...

Page 438: ...sembly 8 149 Lower Stacker Roller PL23 1 16 1 Stacker Left Support 5 Gear 19 2 Stacker Motor Bracket 6 Roller Bearing 3 Gear 45 7 Lower Stacker Roller 4 Gear 19 37 8 Stacker Housing s4500 214 1 4 5 2...

Page 439: ...rs 45 19 37 and two gears 19 in that order 6 Rotate the Roller Bearing on the right end about 90 degrees CW to align the lock tabs with the keyway slot in the chassis and remove the bearing from the S...

Page 440: ...embly 8 151 Upper Stacker Roller PL23 1 36 1 Offset Chute 6 Gear 19 37 2 Stacker Housing 7 Gear 19 3 Offset Bearing 8 Left Stacker Support 4 Hook 9 Stacker Motor Bracket 5 Gear 45 s4500 215 3 4 8 6 7...

Page 441: ...gold tapping 8 mm that attach the Stacker Motor Bracket to the Stacker 7 Remove the Stacker Motor Bracket together with the Stacker Motor 8 Remove Gears 45 19 37 and two Gears 19 in that order 9 Relea...

Page 442: ...rotate the bearing 90 degrees CW and remove the bearing 12 Remove the Upper Stacker Roller from the Offset Chute Assembly Replacement Note When installing Gears 19 and 19 37 make sure the gears are co...

Page 443: ...tacker Cover page 8 134 3 Remove the Stacker Front Cover page 8 137 4 Disconnect the connector of the Stacker Motor Assembly from the Stacker Motor Harness Assembly 5 Remove the two screws silver mach...

Page 444: ...9 Chapter Parts Lists In this chapter Serial Number Format Using the Parts List Print Engine Parts Options Xerox Supplies and Accessories...

Page 445: ...l located on the frame of the printer just inside the Tray 2 opening Tray 2 must be removed to see it The nine digit serial number has the following format PPP SSSSSS PPP product code as shown in the...

Page 446: ...with X Y following a part name indicates an assembly that is made up of components X through Y For example 1 with 2 4 means part 1 consists of part 2 part 3 and part 4 An asterisk following a part nam...

Page 447: ...9 4 Phaser 4500 Service Manual Print Engine Parts Parts List 1 1 Covers 2 Ref PL10 1 7 8 9 9 3 4 6 5 JG5014AA s4500 218 10 11 1...

Page 448: ...802K60111 2 COVER OPEN Top Cover 802E47284 3 COVER REAR 604K16460 4 COVER RIGHT 802E49522 5 COVER FRONT 802E63801 6 COVER LEFT 802E49491 7 COVER TOP ASSY 8 COVER STOPPER 802E61862 9 STOPPER OPEN 10 H...

Page 449: ...vice Manual Parts List 2 1 150 Sheet Paper Cassette S4500 219 JG5002AA 1 2 3 4 5 6 18 19 19 20 21 22 23 24 26 25 27 29 30 31 32 33 34 35 28 18 29 16 7 8 9 11 12 13 15 36 37 38 39 17 17 10 50 with 1 13...

Page 450: ...FT PB 10 PLATE ASSY BTM with 14 11 GUIDE ASSY SD L150 12 GEAR PINION 13 GUIDE ASSY SD R150 15 GEAR LOCK ONEWAY 16 HOUSING TOP 150 17 LOCK EXTENSION 18 SPRING BTM UP 150 19 PLATE GEAR LOCK 150 20 GEAR...

Page 451: ...BASE 150 37 LINK SW SIZE1 150 38 LINK SW SIZE2 150 39 LINK SW SIZE3 150 50 150 PAPER CASSETTE with 1 13 15 39 084K15350 51 HOLDER ASSY RETARD with 2 5 019K98186 99 Roller Kit Item 2 Qty 3 604K11192 FR...

Page 452: ...50 Sheet Paper Cassette s4500 220 JG5004AB 1 2 3 4 5 6 18 19 19 20 21 22 23 24 27 26 25 28 30 31 39 40 41 42 43 29 18 30 34 36 38 37 35 32 16 7 8 9 11 12 13 15 44 45 46 47 48 17 17 10 50 with 1 13 15...

Page 453: ...ONEWAY 9 SHAFT PB 10 PLATE ASSY BTM 11 GUIDE ASSY SD L550 12 GEAR PINION 13 GUIDE ASSY SD R550 15 GEAR LOCK ONEWAY 16 HOUSING TOP 550 17 LOCK EXTENSION 18 SPRING BTM UP 550 19 PLATE GEAR LOCK 550 20 G...

Page 454: ...IDE END 550 44 HOUSING BASE 550 45 LINK SW SIZE1 550 46 LINK SW SIZE2 550 47 LINK SW SIZE3 550 48 LINK SW SIZE LOW 50 550 PAPER CASSETTE with 1 13 15 32 34 48 51 53 084K15411 51 HOLDER ASSY RETARD wit...

Page 455: ...33 32 51 32 31 30 28 25 22 31 21 20 14 18 1716 15 38 40 34 35 37 44 43 42 41 20 11 10 9 8 7 6 5 12 4 39 19 JG5019AA s4500 221 27 26 22 23 1 with 4 12 14 23 25 35 37 44 46 51 2 with 4 10 12 14 20 22 25...

Page 456: ...SHAFT NUDGER 10 GEAR NUDGER 059K25270 11 ROLL ASSY NUDGER part of item 97 12 ROLL REGI RUBBER 14 COVER ACTUATOR 15 ACTUATOR A part of Registration Actuator 16 SPRING REGI SNR B 17 ACTUATOR B part of R...

Page 457: ...Y FEED 005E16941 44 ROLL ASSY FEED part of item 97 45 SENSOR TONER ASSEMBLY with 46 50 130K63601 46 SENSOR TONER J220 47 HOLDER D part of item 46 48 SPRING TONER part of item 46 49 SPRING part of item...

Page 458: ...ts 9 15 Parts List 7 1 550 Sheet Paper Feeder JG5015AA s4500 222 8 37 12 18 38 27 26 22 20 35 22 23 31 33 32 30 24 25 34 14 15 13 28 29 16 36 17 19 6 3 5 4 2 6 9 9 39 7 with 8 9 41 40 10 with 12 20 22...

Page 459: ...550 FEEDER ASSY with 12 20 22 31 33 39 022K66964 12 SUPPORT NUDGER 13 HOLDER LEFT 14 ACTUATOR NO PAPER 15 GEAR IDLER NUDGER 16 HOLDER RIGHT 17 SHAFT NUDGER 18 GEAR NUDGER 059K25270 19 ROLL ASSY NUDGE...

Page 460: ...J248 J246 P247 37 COVER HARNESS R 38 SENSOR NO PAPER P246 130E81970 39 CLAMP 10V0 40 STOPPER TRAY R 41 STOPPER TRAY L 99 FEED ROLLER KIT with 19 or 29 qty 3 604K11192 FRU Parts List 7 1 550 Sheet Pap...

Page 461: ...9 18 Phaser 4500 Service Manual Parts List 8 1 Xerographics JG5016AB s4500 223 23 PRINT CARTRIDGE 17 18 22 21 20 8 1011 12 13 7 9 2 15 1 24 14 3 19 25 with 23 24 6 with 7 15 30 29 16 4 5...

Page 462: ...f item 6 12 INTERLOCK S W 5 V part of item 6 13 HOLDER I L SW2 part of item 6 14 LEVER GUIDE Guide Lever part of item 6 15 GUIDE CRU LEFT part of item 6 16 COVER GUIDE CRU 17 HARNESS ASSY FUSER 110V J...

Page 463: ...9 20 Phaser 4500 Service Manual Parts List 10 1 Paper Exit 1 2 19 18 20 6 11 12 1 4 10 11 7 26 24 28 5 15 16 17 13 21 JG5017AB S4500 224 27 30 23 30 23 22 22 22 22 28 2 with 4 7 10 13 15 24 26 28 30...

Page 464: ...e Link 10 ACTUATOR FULL STACK 604K15560 11 BEARING EXIT 12 ROLL EXIT 13 GEAR 21 15 MOTOR ASSY EXIT J103 127K36930 16 BRACKET MOTOR EXIT 17 GEAR 16 49 18 GEAR 25 2 19 GEAR 25 1 20 GATE OCT EXIT Stacker...

Page 465: ...9 22 Phaser 4500 Service Manual Parts List 10 2 Paper Exit 2 2 11 8 9 7 22 23 20 21 10 6 2 15 JG5702AB s4500 225...

Page 466: ...ption Part Number 2 CHUTE UP FU 6 GATE FU 7 CHUTE LOW FU 8 LEVER LATCH LEFT 9 PIPE LATCH LEFT 10 SPRING LATCH FU 11 LEVER LATCH RIGHT 15 LEVER GATE HOLDER 20 EARTH PLATE FU 21 COVER REAR 500 22 COVER...

Page 467: ...9 24 Phaser 4500 Service Manual Parts List 11 1 Frame and Drive 3 2 1 4 JG5020AA s4500 226 11 9 6 7 8 10 11 7 7 7 12 7 7 13 13 5 5...

Page 468: ...t Number 1 MOTOR COVER 2 MAIN MOTOR J43 127K36822 3 GEAR ASSY HOUSING with 4 604K16670 4 SPRING RELEASE part of item 3 5 CLAMP EDGE 6 CLAMP 5 V0 7 CLAMP 10V0 8 CLAMP EDGE 9 GEAR 9 807E02560 10 GEAR AS...

Page 469: ...9 26 Phaser 4500 Service Manual Parts List 12 1 Electrical 15 18 14 19 25 10 11 2 30 5 31 3 7 6 20 1 21 12 8 JG5018AA s4500 227 23 27 16 17 32 33 37 34 36 35 28 4 26...

Page 470: ...SS ASSY AC 220V J48 J480 10 FAN MAIN J244 127E83610 11 PANEL REAR 12 BRACKET HANDLE R 13 I P PWBA ESS 671 5321 80 14 SHIELD ASSY ESS 15 SHIELD ASSY WINDOW 16 FFC ASSY ESS P28 CNVD 962K13460 17 HARNESS...

Page 471: ...8 MB RAM DIMM 156 4837 00 256 MB RAM DIMM 156 4663 00 33 FLASH DIMM 671 5325 0A 34 HARD DRIVE ASSY 650 4309 00 35 CONFIG CARD B TO N 163 1505 00 36 CONFIG CARD BASE 163 1513 00 37 NVRAM DEVICE 163 145...

Page 472: ...ons Parts List 20 1 550 Sheet Paper Feeder 1 2 Ref PL20 2 1 1 2 3 5 6 6 7 9 12 13 14 15 16 17 11 10 18 41 19 20 21 22 22 26 28 30 31 34 33 35 36 37 38 38 32 27 42 23 25 4 JG5501AB s4500 228 39 40 8 wi...

Page 473: ...DR2 11 GEAR OPT FDR3 12 GEAR OPT FDR4 13 GEAR OPT FDR5 14 GEAR OPT FDR6 15 PLATE FEEDER DRIVE 16 CLAMP 5 V0 17 MOTOR FEEDER J820 18 OPT ASSY SIZE J802 Paper Size Switch Assembly 110K11634 19 HARNESS A...

Page 474: ...SSY CLSNR2 J85 P855 37 HARNESS ASSY FDR MOT J82 P820 38 JOINT FEEDER 113E36900 39 LOCK CST L 003E59231 40 HARNESS ASSYSIZE FDR3 J802 J800 41 STOPPER TRAY L 42 STOPPER TRAY R 99 550 DECK ASSY ENTIRE 08...

Page 475: ...Phaser 4500 Service Manual Parts List 20 2 550 Sheet Paper Feeder 2 2 1 with 4 23 25 34 s4500 229 JG5502AA 4 5 7 8 9 10 11 12 13 15 16 17 17 21 22 23 23 31 32 33 25 26 27 28 29 30 34 30 28 18 19 20 1...

Page 476: ...FEED 005E16941 14 ROLL ASSY TURN 15 CLUTCH ONEWAY NUDGER 005E16951 16 SHAFT FEED 17 BEARING NUDGER 013E22571 18 CHUTE TOP ASSY 19 COVER ACTUATOR 20 CHUTE BTM 21 CLUTCH ASSY PH J853 Feed Clutch 121K285...

Page 477: ...3 Optional 550 Sheet Paper Cassette s4500 220 JG5004AB 1 2 3 4 5 6 18 19 19 20 21 22 23 24 27 26 25 28 30 31 39 40 41 42 43 29 18 30 34 36 38 37 35 32 16 7 8 9 11 12 13 15 44 45 46 47 48 17 17 10 50...

Page 478: ...Y 9 SHAFT PB 10 PLATE ASSY BTM 11 GUIDE ASSY SD L550 12 GEAR PINION 13 GUIDE ASSY SD R550 15 GEAR LOCK ONEWAY 16 HOUSING TOP 550 17 LOCK EXTENSION 18 SPRING BTM UP 550 19 PLATE GEAR LOCK 550 20 GEAR P...

Page 479: ...43 GUIDE END 550 44 HOUSING BASE 550 45 LINK SW SIZE1 550 46 LINK SW SIZE2 550 47 LINK SW SIZE3 550 48 LINK SW SIZE LOW 50 550 PAPER CASSETTE with 1 13 15 32 34 48 51 53 084K15411 51 HLDER ASSY RETARD...

Page 480: ...List 21 1 Duplex Unit 2 4 4 3 3 3 4 4 6 7 8 9 10 11 11 12 13 16 17 14 15 10 4 3 3 4 3 JG5602AB s4500 231 17 17 18 19 19 38 40 40 41 39 19 19 19 20 20 20 21 22 23 24 25 26 27 28 30 30 31 32 33 34 35 36...

Page 481: ...THUMB 11 SCREW HINGE 12 COVER TOP 13 LEVER LATCH RIGHT 14 SHAFT LATCH 15 LEVER LATCH LEFT 16 SPRING LATCH 17 ROLLER DUP 059E97811 18 COVER HSG DUP 19 BEARING DUP 013E22671 20 GEAR ROLLER 21 GEAR IDLE2...

Page 482: ...SNR J53 J530 36 SPRING ACTUATOR 809E50961 37 ACTUATOR DUP 604K16750 38 COVER DAMPER 39 SPRING DAMPER 40 SCREW TAPPING 41 COVER RIGHT 43 SPRING Frame Ground DUP 99 DUPLEX ASSY ENTIRE UNIT 084K18292 Par...

Page 483: ...t 23 1 Stacker 33 33 24 34 34 37 13 38 39 28 27 26 29 31 30 1 2 7 7 8 9 10 11 12 11 13 13 14 18 13 23 22 25 20 6 46 5 5 4 32 15 48 47 49 50 47 JG5801AB s4500 232 39 37 36 16 17 13 44 54 45 44 52 53 43...

Page 484: ...Stacker Housing 15 ACTUATOR FULL STACK 120E21663 16 ROLL OCT LOWER Lower Stacker Roller 059K25121 17 CHUTE INLET 18 S W REAR COVER P740 110E10200 20 MOTOR ASSY OFFSET J72 127K39340 22 PWBA OCT Stacker...

Page 485: ...ly 050K49264 41 TRAY EXTENSION 42 TRAY EXIT 43 TRAY BASE 44 SPRING TRAY 45 COVER FRONT 46 HARNESS ASSY OCT MOT J71 P710 Stacker Motor Harness 47 LINK 48 SHAFT FULL STACK 006E79380 49 FLAPPER ASSY L wi...

Page 486: ...h only 001 1554 00 User Documentation CD ROM 063 3451 00 Doc Pocket 001 1515 00 Sleeve Insert 001 1556 00 Printer Installer and Utilities CD ROM 063 3452 00 Phaser 4500 Marketing Collateral Pack 061 4...

Page 487: ...nd Options Description Part Number 64 MB Memory Option 097S03122 128 MB Memory Option 097S03123 256 MB Memory Option 097S03124 Flash Memory DIMM 097S03125 Hard Drive Option 097S03126 B TO N Upgrade Op...

Page 488: ...Number Xerox Professional Printing Paper Xerox Premium Multipurpose 4024 Letter 8 5 x 11 in 3R721 Xerox Business Multipurpose 4200 Letter 8 5 x 11 in 3R2047 Xerox Premium Multipurpose 4024 Legal 8 5 x...

Page 489: ...of Media Xerox Phaser Weatherproof Media Letter 8 5 x 11 in 103R01020 Xerox Phaser Weatherproof Media A4 210 x 297 mm 103R01021 Xerox Carbonless Media 2 Part White Canary Letter 8 5 x 11 in 3R12130 2...

Page 490: ...apter Print Engine Plug Jack Locator 550 Sheet Feeder Plug Jack Locator Duplex Unit Plug Jack Locator Stacker Plug Jack Locator Notations Used in Wiring Diagrams Print Engine Wiring Diagrams Optional...

Page 491: ...ms The table lists the plug jack numbers in numerical order The co ordinates column lists the diagram co ordinates for the location of the connector A brief description of each connection is included...

Page 492: ...r Sensor and HVPS Engine Logic Board 27 G 109 Connects the LVPS Harness Assembly and HVPS Engine Logic Board 28 H 109 Connects the HVPS Engine Logic Board to I P Board 29 H 107 Connects the Exit Senso...

Page 493: ...ray 1 Harness Assembly 243 P 125 Connects the Registration Clutch and Tray 1 Harness Assembly 244 O 124 Connects the Main Fan and Tray 1 Harness Assembly 245 N 125 Connects the Tray 1 Harness Assembly...

Page 494: ...nnects the Left Tray Guide Assembly and LVPS Harness Assembly 2083 G 110 Connects the Feeder Harness 1 and Feeder Harness 2 2750 R 124 Connects the LVPS Harness Assembly and Duplex Unit Assembly Harne...

Page 495: ...10 6 Phaser 4500 Service Manual P J Locator Diagrams Printer Front s4500 233 170 1821 160 140 141 A 104 105 106 107 108 109 110 111 B C D E 810...

Page 496: ...Wiring Diagrams 10 7 Printer Right Side F G H I J K L s4500 252 104 105 106 107 108 109 110 111 17 16 20 22 26 24 28 30 29 411 144 800 110 J310 850 130 2083 10 11 27 13 14 15 18 31 131...

Page 497: ...10 8 Phaser 4500 Service Manual Printer Rear M 120 121 122 123 124 125 126 N O P Q R s4500 234 290 150 4647 310 240 246 244 221 245 248 260 241 243 247 242 220 2750 3070...

Page 498: ...Wiring Diagrams 10 9 Printer Left Side 120 121 122 123 124 125 126 S T U V W X s4500 253 142 103 270 102 404 42 41 40 43 44 401 402 403 45 46 47 480 48 101...

Page 499: ...2 and the 550 Sheet Feeder PWBA 801 H 203 Connects Feeder Size Switch Harness 1 and Feeder Size Switch Harness 2 802 C 204 Connects Feeder Size Switch Harness 1 and Size Switch Assembly 810 I 205 Con...

Page 500: ...Wiring Diagrams 10 11 A 202 203 204 205 206 207 208 209 201 B C D E F G H I J K L s4500 272 855 80 83 84 81 85 82 8483 2083 810 852 854 801 820 853 802...

Page 501: ...nit PWBA 53 E 303 Connects the Duplex Unit Harness SNR and Duplex Unit PWBA 54 E 303 Connects the Duplex Unit Fan and Duplex Unit PWBA 56 G 305 Connects the Duplex Unit Harness Ground and Duplex Unit...

Page 502: ...Wiring Diagrams 10 13 A 302 303 304 305 306 307 308 309 301 B C D E F G H I J K s4500 271 2750 51 52 50 54 560 53 530 56 520...

Page 503: ...s and Stacker PWBA 74 I 403 Connects the Stacker Rear Cover Harness and Stacker PWBA 75 J 405 Connects the Gate Solenoid and Stacker PWBA 710 D 403 Connects the Stacker Motor Harness and Stacker Motor...

Page 504: ...ch as a plate spring and indicates its signal name contents The arrow or on the line represents the direction of signal flow Represents a function and a logical value High H or Low L of a signal when...

Page 505: ...with a plate spring on the printed circuit board The connector No is indicated inside the box Represents a connector directly connected to the printed circuit board The connector No is indicated insi...

Page 506: ...S TR Laser Diode Laser Unit Start of Scan Sensor J800 P J270 P J102 P J103 P J45 P J41 P J11 P J10 P J42 P J44 P J43 P J40 P J48 P J46 P J4647 P J15 P J31 P J150 P J47 P J101 P J130 P J28 P J18 P J17...

Page 507: ...3 4 5 6 7 8 MCU STBY HVPS Engine Logic PWBA LVPS Power Save 1 Power Save 2 HEAT ON Short HEAT ON Long MOTOR ON MOTOR ALM EXIT INTERLOCK AFT INTERLOCK BEF 5V DC SG LG 3 3V DC 24V DC 24V RTN 3 3V DC LG...

Page 508: ...ouble occurs with the CPU the signal goes High START Print start signal This is effective only when RDY is Low CBSY Command busy signal This goes Low when CMD is sent out except when SBSY is Low or PP...

Page 509: ...rom HVPS which applies a high voltage to Pressure Roller P J46 2 1 1 2 P J4249 3 1 2 3 4 5 6 7 1 2 3 4 5 6 7 1 6 5 4 3 2 1 7 P J4647 STS 2 LVPS LG LG LG EXIT STS 1 LINE LINE Secondary NEUT NEUT NEUT P...

Page 510: ...rom HVPS to BCR DTS Output from HVPS to Detack Saw TR Output from HVPS to Transfer Roller PRINT CARTRIDGE R PRINT CARTRIDGE GUIDE HVPS ENGINE LOGIC PWBA Drum Detack Saw TRANSFER ROLLER ASSEMBLY Mag Ro...

Page 511: ...D OUT FAN ALARM 24V DC CLUTCH TRAY1 ON CLUTCH TRAY2 ON 24V DC LG LG PULLUP 3 3V LOW PAPER2 SNR ON PULLUP 3 3V NO PAPER2 SNR ON CLUTCH REGI ON 12 11 10 9 8 7 6 5 4 3 2 1 2 3 1 P J24 9 10 SW 4 SW 3 SW 2...

Page 512: ...igh OFF NO PAPER1 SNR ON Signal from the No Paper Sensor of Tray1 This signal goes Low when the flag moves out of the sensor REG SNR ON Signal from Registration Sensor This signal goes Low when the fl...

Page 513: ...O DET OUT PCONT2 LDENB XPDATA 2 XPDATA 2 P J14 P J140 1 2 P J170 2 3 1 5VDC AFT Laser Unit Laser Diode Scanner Motor SOS SG 2 1 3 2 1 P J17 XPDATA 1 XPDATA 1 24V DC 24V RTN SG ROSMOT ON ROSMOT CLK 1 2...

Page 514: ...Control signal permitting emission of Laser Diode High Laser Diode OFF XP DATA Print image data DATA DATA lit up DATA DATA put out XP DATA ROSMOT ON Sensor Motor Control signal for turning Scanner Mot...

Page 515: ...4 P J130 P J404 P J403 P J402 J800 P28 P J401 Front Panel s4500 266 3 4 2 2 2 2 3 3 1 1 1 2 3 1 1 3 2 1 4 N C 24V N C N C J404 A J404 B P404 5V SG 3 3V LG 10 Ground Ground Ground Ground Rx Data comman...

Page 516: ...Optional 550 Sheet Paper Feeders installed Paper Size Switch Assembly 550 Sheet Feeder PWBA HVPS Engine Logic PWBA Feeder Motor Feed Clutch Turn Roller Clutch No Paper Sensor Low Paper Sensor P J81 P...

Page 517: ...1 P J82 24V DC A A B B P J855 3 4 2 1 5 4 5 6 3 2 7 1 6 7 P J853 2 1 1 2 2 3 4 5 6 7 1 P J85 2 3 4 5 9 10 11 6 7 8 1 9 8 7 6 2 1 5 4 3 10 P J84 P J8483 24V DC RXD TXD TRAY SNS LG 3 3V DC RTN RTN RTN...

Page 518: ...al for Feed Clutch Low ON High OFF CLUTCH TURN ON Control signal for Turn Roller Clutch Low ON High OFF NO PAPER FEED SNR ON Signal from the No Paper Sensor This signal goes Low when the flag moves ou...

Page 519: ...tation signal for Duplex Unit Motor Phases A and B A and B Excitation signal for Duplex Unit Motor Phases A and B HVPS Engine Logic LVPS Harness Duplex Harness 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 1 9 8...

Page 520: ...Stacker General Wiring Diagram STACKER MOTOR OFFSET MOTOR GATE SOLENOID STACKER SENSOR STACKER REAR COVER SWITCH STACKER PWBA HVPS ENGINE LOGIC PWBA P J72 P J71 P J70 P J30 P J3070 P J710 P J75 P J73...

Page 521: ...Low when the rear cover of Stacker Rear Cover is closed 7 6 5 4 3 2 1 8 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 P J30 2 3 4 5 6 7 8 1 P J70 2 3 4 5 1 P J71 24V DC A B A B P J3070 24V DC RTN RTN LG T...

Page 522: ...A Appendix Appendix Contents Menu Map Service Diagnostics Menu Map...

Page 523: ...rive with stored jobs present Flash Memory Stacker Office Demonstration 2 Sided Demonstration Model Printer Name Print Server IP Address Serial Activation Date Print Cartridge Toner Life Fuser Life Re...

Page 524: ...me Log AppleTalk Start Log AppleTalk Runtime Log PostScript Error Info Image Smoothing Edge to Edge Printing Reset PostScript Setup Font Number Pitch Point Size Symbol Set Orientation Form Length Line...

Page 525: ...ocess Direction Tray 4 Process Direction Tray 1 Scan Direction Tray 2 Scan Direction Tray 3 Scan Direction Tray 4 Scan Direction Duplex Process Direction Duplex Scan Direction Motors Fan Test Tests th...

Page 526: ...Tray 3 No Paper Tray 4 No Paper Duplex Unit Presence Stacker Unit Presence Solenoid Test Tests the functionality of printer solenoids Stacker Direction Solenoid Clutch Tests Tests the functionality o...

Page 527: ...A 6 Phaser 4500 Service Manual...

Page 528: ...Counters supply life 1 8 D DC DC converter 2 32 4 5 Default duplex registration 6 8 factory values reset 6 11 fuser temperature setting 5 34 6 9 job changing 6 2 laser power 6 5 simplex registration 6...

Page 529: ...28 Error message summary 3 22 Event log 3 21 Exit gate stacker 2 29 Exit motor assembly 2 29 4 31 Exit motor PWBA 2 31 4 30 Exit roller 2 29 Exit sensor 2 24 F Factory reset NVRAM 3 15 Fan diagnostic...

Page 530: ...bleshooting 4 38 Image quality analysis fusing 5 7 line band or spot deletions 5 6 registration lead edge to trail edge 5 11 resolution 5 9 side to side registration 5 10 skew 5 14 skips smears 5 12 s...

Page 531: ...sts 3 12 duplex unit 2 36 4 55 exit 2 29 4 31 feeder 2 43 stacker 2 37 2 38 4 60 stacker offset 2 38 4 61 N No front panel display after power is turned ON 4 3 No paper actuator 2 16 2 42 3 61 3 63 4...

Page 532: ...d edge to trail edge 5 11 resolution 5 9 side to side registration 5 10 skew 5 14 skip smears 5 12 spots 5 13 Print engine troubleshooting 4 11 to 4 41 Printer configurations 1 3 Printer controls setu...

Page 533: ...ont panel button descriptions 3 10 general status tests 3 10 hidden menu 3 9 instructions for use 3 10 laser power 3 11 laser power adjustment 3 11 menu map 3 9 motors 3 12 registration adjustments 3...

Page 534: ...DC converter 4 5 duplex unit motor 4 55 duplex unit PWBA 4 54 duplex unit sensor 4 56 duplex unit switch 4 58 electrical noise 4 41 exit motor 4 31 exit motor PWBA 4 30 feed clutch optional feeder 4...

Page 535: ...y 3 4 43 tray 4 4 44 turn roller clutch optional feeder 4 52 uneven density 5 43 unfused image 5 32 vertical deletions 5 21 vertical streaks 5 25 Troubleshooting print quality page 5 3 Turn roller 2 4...

Page 536: ......

Page 537: ...071 0867 00 A...

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