Troubleshooting Guide
Page 17
...correct type for more on the back side of the Fuser is in the computer's printer driver. 6. a. b. Scroll to the Tray Setup Menu and select Special Paper Setup Menu. Incomplete Fusing Toner appears to rub off print, or is properly loaded. 5. Close the top cover...if found. 2. See www.xerox.com/officeprinting/infoSMART on . 3. Problem Solution 1. From the printer's front panel Support Menu select Improve Print Quality?, then select Print Paper Tips Page and press OK. 4. Select Set Paper Type and then select Special. Color Misregistration Color has shifted outside of 3...
...correct type for more on the back side of the Fuser is in the computer's printer driver. 6. a. b. Scroll to the Tray Setup Menu and select Special Paper Setup Menu. Incomplete Fusing Toner appears to rub off print, or is properly loaded. 5. Close the top cover...if found. 2. See www.xerox.com/officeprinting/infoSMART on . 3. Problem Solution 1. From the printer's front panel Support Menu select Improve Print Quality?, then select Print Paper Tips Page and press OK. 4. Select Set Paper Type and then select Special. Color Misregistration Color has shifted outside of 3...
Troubleshooting Guide
Page 18
...Xerox Phaser paper, Xerox Phaser labels, and Xerox Phaser 35 transparencies. Fan paper prior to loading in the Trays and Paper Guide on the Interactive Documentation CD-ROM. For supported paper sizes, see the Supported Papers section in the Support Guide on the jammed paper, because the toner has not been fused...CD-ROM or go to the Xerox web site at: http://www.xerox.com/officeprinting/7300supplies to order supplies. Use clean, undamaged paper. Load paper from a newly opened package. Do not add paper above the tray's fill line. Phaser® 7300 Color Printer Paper Jams In addition to ...
...Xerox Phaser paper, Xerox Phaser labels, and Xerox Phaser 35 transparencies. Fan paper prior to loading in the Trays and Paper Guide on the Interactive Documentation CD-ROM. For supported paper sizes, see the Supported Papers section in the Support Guide on the jammed paper, because the toner has not been fused...CD-ROM or go to the Xerox web site at: http://www.xerox.com/officeprinting/7300supplies to order supplies. Use clean, undamaged paper. Load paper from a newly opened package. Do not add paper above the tray's fill line. Phaser® 7300 Color Printer Paper Jams In addition to ...
Service Manual
Page 9
... Warning: Do not try to manually rotate or manually stop the drive assemblies while any printer motor is running S7300-03 Servicing Fuser Components Warning: This printer uses heat to fuse the toner image to inspect sprockets and gears. Servicing Electrical Components Before starting any service ...procedure, switch off the printer power and unplug the power cord from the AC outlet. The ...
... Warning: Do not try to manually rotate or manually stop the drive assemblies while any printer motor is running S7300-03 Servicing Fuser Components Warning: This printer uses heat to fuse the toner image to inspect sprockets and gears. Servicing Electrical Components Before starting any service ...procedure, switch off the printer power and unplug the power cord from the AC outlet. The ...
Service Manual
Page 31
Electrical Specifications Characteristic Primary line voltages Primary voltage frequency range Power consumption Primary voltage fusing Frequency Power Supplies Specification 110 - 127 VAC (115 VAC nominal) 220 to 240 VAC (230 VAC nominal) 50 (48 to 52) or 60 (58 to ...
Electrical Specifications Characteristic Primary line voltages Primary voltage frequency range Power consumption Primary voltage fusing Frequency Power Supplies Specification 110 - 127 VAC (115 VAC nominal) 220 to 240 VAC (230 VAC nominal) 50 (48 to 52) or 60 (58 to ...
Service Manual
Page 37
... Failure Unsupported Duplex Unit ROM Unsupported Tray 2 ROM Unsupported Tray 3 ROM Unsupported Tray 4 ROM Unsupported Tray 5 ROM Fuse Cut Error in Fuser Fuse Cut Error in Transfer Unit Fuse Cut Error in Cyan Imaging Unit Fuse Cut Error in Magenta Imaging Unit Error Messages and Codes Usage Profile Code 136 137 138 139 140...
... Failure Unsupported Duplex Unit ROM Unsupported Tray 2 ROM Unsupported Tray 3 ROM Unsupported Tray 4 ROM Unsupported Tray 5 ROM Fuse Cut Error in Fuser Fuse Cut Error in Transfer Unit Fuse Cut Error in Cyan Imaging Unit Fuse Cut Error in Magenta Imaging Unit Error Messages and Codes Usage Profile Code 136 137 138 139 140...
Service Manual
Page 38
Error Front Panel Message Code W20 W21 Fuse Cut Error in Yellow Imaging Unit Fuse Cut Error in Black Imaging Unit Usage Profile Code 157 160 Page 2 - 65 2 - 65 Error Messages not associated with an alphanumeric code Adjust Tray [1] Size ... 2 - 47 2 - 47 2 - 53 2 - 53 2 - 53 2 - 53 2 - 52 2 - 52 2 - 52 2 - 52 2 - 55 2 - 49 2 - 49 2 - 49 2 - 49 2 - 49 2 - 49 2 - 48 2 - 50 2 - 44 2 - 44 2 - 44 2 - 44 2 - 44 2-22 Phaser 7300 Color Printer Service Manual
Error Front Panel Message Code W20 W21 Fuse Cut Error in Yellow Imaging Unit Fuse Cut Error in Black Imaging Unit Usage Profile Code 157 160 Page 2 - 65 2 - 65 Error Messages not associated with an alphanumeric code Adjust Tray [1] Size ... 2 - 47 2 - 47 2 - 53 2 - 53 2 - 53 2 - 53 2 - 52 2 - 52 2 - 52 2 - 52 2 - 55 2 - 49 2 - 49 2 - 49 2 - 49 2 - 49 2 - 49 2 - 48 2 - 50 2 - 44 2 - 44 2 - 44 2 - 44 2 - 44 2-22 Phaser 7300 Color Printer Service Manual
Service Manual
Page 48
... / Not Cut Clutch Tests - Tests the functionality of the clutches by activating one component at a time. Read Fuses Fuser is Cut / Not Cut TBelt is Cut / Not Cut CIU is Cut / Not Cut MIU is Cut / Not Cut YIU is Cut / Not Cut KIU is On/Off 2-32 Phaser 7300 Color Printer Service Manual
... / Not Cut Clutch Tests - Tests the functionality of the clutches by activating one component at a time. Read Fuses Fuser is Cut / Not Cut TBelt is Cut / Not Cut CIU is Cut / Not Cut MIU is Cut / Not Cut YIU is Cut / Not Cut KIU is On/Off 2-32 Phaser 7300 Color Printer Service Manual
Service Manual
Page 68
... the Imaging Unit is reset using service diagnostics, the gas gauge will not return to the printer and ensure all error messages are not reset. properly? Use service diagnostics to step [6]. Go to see if the fuse blew after installation. If the keys are not set ? Are the keys on the side... function correctly? Go to step [4]. Have the customer replace the Imaging Unit. Did the error reappear? Go to step [5]. Replace the Engine Controller Board. 2-52 Phaser 7300 Color Printer Service Manual Go to step [3]. Reset the keys properly.
... the Imaging Unit is reset using service diagnostics, the gas gauge will not return to the printer and ensure all error messages are not reset. properly? Use service diagnostics to step [6]. Go to see if the fuse blew after installation. If the keys are not set ? Are the keys on the side... function correctly? Go to step [4]. Have the customer replace the Imaging Unit. Did the error reappear? Go to step [5]. Replace the Engine Controller Board. 2-52 Phaser 7300 Color Printer Service Manual Go to step [3]. Reset the keys properly.
Service Manual
Page 70
... that all other errors have been cleared on the new Fuser blow? Replace the Engine Controller Board EEPROM. No Reseat the Fuser. Did the fuse on the printer and install a new fuser. Replace the Fuser latches. Visually inspect the Fuser latches. Yes Go to check the Fuser life. Yes No Have the... Power Supply and wiring harness. replace the Fuser. Replace in the following order: Fuser Engine Controller Board Low Voltage Power Supply and wiring harness. 2-54 Phaser 7300 Color Printer Service Manual
... that all other errors have been cleared on the new Fuser blow? Replace the Engine Controller Board EEPROM. No Reseat the Fuser. Did the fuse on the printer and install a new fuser. Replace the Fuser latches. Visually inspect the Fuser latches. Yes Go to check the Fuser life. Yes No Have the... Power Supply and wiring harness. replace the Fuser. Replace in the following order: Fuser Engine Controller Board Low Voltage Power Supply and wiring harness. 2-54 Phaser 7300 Color Printer Service Manual
Service Manual
Page 71
...harness. Engine Controller Engine Controller Board. replace the Is the Transfer Unit at or near end-of the Transfer Unit. cleared on the printer and install a new Engine Controller Transfer Unit. transfer unit. 2 Check the Transfer Unit voltage contacts Clean with a pencil Replace in...for corrosion, dirt or debris. Transfer Unit. 2 Verify that all other errors have been Replace the Go to step [2]. Did the fuse blow? 3 Check the wiring harness from the Replace the wiring Replace the Imaging Unit Sensing Board to step [2]. Replace Transfer Unit Troubleshooting...
...harness. Engine Controller Engine Controller Board. replace the Is the Transfer Unit at or near end-of the Transfer Unit. cleared on the printer and install a new Engine Controller Transfer Unit. transfer unit. 2 Check the Transfer Unit voltage contacts Clean with a pencil Replace in...for corrosion, dirt or debris. Transfer Unit. 2 Verify that all other errors have been Replace the Go to step [2]. Did the fuse blow? 3 Check the wiring harness from the Replace the wiring Replace the Imaging Unit Sensing Board to step [2]. Replace Transfer Unit Troubleshooting...
Service Manual
Page 74
... the Unit, then turn the printer back on the Engine Controller Board. Replace the Low Voltage Power Supply and/or wiring harness. Does the error still appear? operation and airflow. Replace the Duplex Unit. 2-58 Phaser 7300 Color Printer Service Manual U6: Power Supply Failure... Yes Go to step [3]. No Go to the printer. Are the fans operating correctly? 2 Verify +34 volts is supplying +34 volts to fuse Replace the fan. F7 on . Does the ...
... the Unit, then turn the printer back on the Engine Controller Board. Replace the Low Voltage Power Supply and/or wiring harness. Does the error still appear? operation and airflow. Replace the Duplex Unit. 2-58 Phaser 7300 Color Printer Service Manual U6: Power Supply Failure... Yes Go to step [3]. No Go to the printer. Are the fans operating correctly? 2 Verify +34 volts is supplying +34 volts to fuse Replace the fan. F7 on . Does the ...
Service Manual
Page 75
... Low Voltage Power Supply. Is the motor operating correctly? 3 Use service diagnostics to the MPT. Does the fan operate correctly? 2 Inspect the wiring harness to fuse F7 on the Engine Controller Board. Replace the Electrical Cage Fan. Replace the MPT Pick Assembly. Is the wiring harness defective? 3 Verify +34 volts is...
... Low Voltage Power Supply. Is the motor operating correctly? 3 Use service diagnostics to the MPT. Does the fan operate correctly? 2 Inspect the wiring harness to fuse F7 on the Engine Controller Board. Replace the Electrical Cage Fan. Replace the MPT Pick Assembly. Is the wiring harness defective? 3 Verify +34 volts is...
Service Manual
Page 76
...the Replace Engine Duplex Unit to the Engine Controller Controller Board Board for proper operation and airflow. Replace wiring harness or connector. 2-60 Phaser 7300 Color Printer Service Manual No Go to step [2]. No Go to step [2]. Fuser Fan. pins 12, 13, and 14. Replace the Low ...step [3]. Board. 2 Inspect the Duplex Unit and connector. Do the fans operate correctly. 2 Verify +34 volts is being supplied to fuse Replace the F7 on the Engine Engine Controller Controller Board is supplying +34 volts to Replace the the POWER connector on the Engine Controller ...
...the Replace Engine Duplex Unit to the Engine Controller Controller Board Board for proper operation and airflow. Replace wiring harness or connector. 2-60 Phaser 7300 Color Printer Service Manual No Go to step [2]. No Go to step [2]. Fuser Fan. pins 12, 13, and 14. Replace the Low ...step [3]. Board. 2 Inspect the Duplex Unit and connector. Do the fans operate correctly. 2 Verify +34 volts is being supplied to fuse Replace the F7 on the Engine Engine Controller Controller Board is supplying +34 volts to Replace the the POWER connector on the Engine Controller ...
Service Manual
Page 78
... Contact Assembly and springs. Replace the and lifting arm. Transfer Unit. Cyan = F5 Magenta = F2 Yellow = F3 Black = F4 2-62 Phaser 7300 Color Printer Service Manual Drum Contact Are the contacts damaged or dirty? Is the Transfer Unit functioning properly by lifting the Imaging Unit? 7 Visually inspect the ...IU Go to step [11]. The gears should lift the arm when rotated in the raised position? 8 Check the appropriate fuse on page 8-232. Does the sensor function correctly? 4 Verify continuity between the IU Sensor Replace the Go to step [5]. Up/Down motor.
... Contact Assembly and springs. Replace the and lifting arm. Transfer Unit. Cyan = F5 Magenta = F2 Yellow = F3 Black = F4 2-62 Phaser 7300 Color Printer Service Manual Drum Contact Are the contacts damaged or dirty? Is the Transfer Unit functioning properly by lifting the Imaging Unit? 7 Visually inspect the ...IU Go to step [11]. The gears should lift the arm when rotated in the raised position? 8 Check the appropriate fuse on page 8-232. Does the sensor function correctly? 4 Verify continuity between the IU Sensor Replace the Go to step [5]. Up/Down motor.
Service Manual
Page 79
... Board. No Go to step [3]. Replace the Low Voltage Power Supply and/or wiring harness. Engine Controller Board. 11 Inspect the Printer Unit Chassis for warping or damage. Does the error reappear? Go to step [2]. Error Messages and Codes 2-63 wiring harness. 4...Procedure Table Steps Actions and Questions 1 Cycle power to the printer. Replace the Engine Controller Board. No Complete Troubleshooting Procedure Table Steps Actions and Questions Yes 2 Verify +34 volts is being supplied to fuse Replace the F7 on the Engine Controller Board. defective fan and...
... Board. No Go to step [3]. Replace the Low Voltage Power Supply and/or wiring harness. Engine Controller Board. 11 Inspect the Printer Unit Chassis for warping or damage. Does the error reappear? Go to step [2]. Error Messages and Codes 2-63 wiring harness. 4...Procedure Table Steps Actions and Questions 1 Cycle power to the printer. Replace the Engine Controller Board. No Complete Troubleshooting Procedure Table Steps Actions and Questions Yes 2 Verify +34 volts is being supplied to fuse Replace the F7 on the Engine Controller Board. defective fan and...
Service Manual
Page 81
...Controller Board. Complete Check the JODEN wiring harness between the LVPS to step [2]. Go to step [3]. Replace the wiring harness. W16: Fuse Cut Error in the wiring harness? Does the error still appear? Is there a short in Fuser Troubleshooting Procedure Table Steps 1 2 Actions... and Questions Install a new Fuser and verify the fuse blows. Does the error still appear? 2 Check the Imaging Unit Contacts (3-pin) Replace the Go to step [2]. Imaging Unit Are the...
...Controller Board. Complete Check the JODEN wiring harness between the LVPS to step [2]. Go to step [3]. Replace the wiring harness. W16: Fuse Cut Error in the wiring harness? Does the error still appear? Is there a short in Fuser Troubleshooting Procedure Table Steps 1 2 Actions... and Questions Install a new Fuser and verify the fuse blows. Does the error still appear? 2 Check the Imaging Unit Contacts (3-pin) Replace the Go to step [2]. Imaging Unit Are the...
Service Manual
Page 88
... POWER Connector Pinout below. Measuring Power Supply Voltages 1. It should measure between 110 to 127 VAC (110 VAC nominal) or 220 to the printer. DC Output: With the DMM set to measure AC voltages, measure for a shorted motor or defective wiring which would shut down the power ... (0V) 24 12 +34 V 25 13 +34 V 26 1 S7300-014 Voltage/Signal Level +34 V +12 V Upper Thermistor Side Thermistor Lower Thermistor Fuser Fuse Duplex Gate Solenoid Front Fan Signal Face Up Solenoid Power Signal Power Signal Power Signal Power Signal 3-72 Phaser 7300 Color Printer Service Manual
... POWER Connector Pinout below. Measuring Power Supply Voltages 1. It should measure between 110 to 127 VAC (110 VAC nominal) or 220 to the printer. DC Output: With the DMM set to measure AC voltages, measure for a shorted motor or defective wiring which would shut down the power ... (0V) 24 12 +34 V 25 13 +34 V 26 1 S7300-014 Voltage/Signal Level +34 V +12 V Upper Thermistor Side Thermistor Lower Thermistor Fuser Fuse Duplex Gate Solenoid Front Fan Signal Face Up Solenoid Power Signal Power Signal Power Signal Power Signal 3-72 Phaser 7300 Color Printer Service Manual
Service Manual
Page 90
... If the jumper connection is probably bad. 5. The +5 VDC Loop Refer to the wiring diagram, "The +5 Volt Loop" on . Turn the printer on page 10-258 for a short to isolate the short. This indicates the problem lies with the Engine Controller Board or the toner sensor board...the Engine Controller Board and the toner sensor board. a. If the fuse is found , the problem is returned to ground is blown (open circuit), check the circuit for all wiring harnesses are operating correctly. 3-74 Phaser 7300 Color Printer Service Manual Verify all procedures listed under this topic. If a ...
... If the jumper connection is probably bad. 5. The +5 VDC Loop Refer to the wiring diagram, "The +5 Volt Loop" on . Turn the printer on page 10-258 for a short to isolate the short. This indicates the problem lies with the Engine Controller Board or the toner sensor board...the Engine Controller Board and the toner sensor board. a. If the fuse is found , the problem is returned to ground is blown (open circuit), check the circuit for all wiring harnesses are operating correctly. 3-74 Phaser 7300 Color Printer Service Manual Verify all procedures listed under this topic. If a ...
Service Manual
Page 91
... blown within seconds of being powered on. Fuser Roller Resistances Remove the Fuser from the printer and turn the Fuser upside down to indicate a fuser now in use. Used fuser: The fuse between ... F are thermistor resistances. Fuser Measure between pins C and D of the ...lower roller will be blown within seconds of the printer being installed to locate the connectors on temperature. Lower A Note: ...
... blown within seconds of being powered on. Fuser Roller Resistances Remove the Fuser from the printer and turn the Fuser upside down to indicate a fuser now in use. Used fuser: The fuse between ... F are thermistor resistances. Fuser Measure between pins C and D of the ...lower roller will be blown within seconds of the printer being installed to locate the connectors on temperature. Lower A Note: ...
Service Manual
Page 95
... the printers paper path. ■ Vacuum any obvious toner spills within the printer. Troubleshooting 3-79 Print-Quality Problems Print-quality defects can adversely effect the Xerographic and fusing characteristics of paper, software applications, environmental conditions, and printer hardware ...many variables as possible must be eliminated before replacing printer parts. Defects occurring in the Phaser 7300 printer. This will initiate the Color Registration and Automatic Density Control (ADC) Calibrations. ■ Use the printer's internal test prints to a specific part, ...
... the printers paper path. ■ Vacuum any obvious toner spills within the printer. Troubleshooting 3-79 Print-Quality Problems Print-quality defects can adversely effect the Xerographic and fusing characteristics of paper, software applications, environmental conditions, and printer hardware ...many variables as possible must be eliminated before replacing printer parts. Defects occurring in the Phaser 7300 printer. This will initiate the Color Registration and Automatic Density Control (ADC) Calibrations. ■ Use the printer's internal test prints to a specific part, ...