Service Manual
Page 9
...off using the On/Off switch does not completely de-energize the printer. 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 a sheet of ...the potential for the Fuser to inspect sprockets and gears. Warning: Do not touch any electrical ...
...off using the On/Off switch does not completely de-energize the printer. 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 a sheet of ...the potential for the Fuser to inspect sprockets and gears. Warning: Do not touch any electrical ...
Service Manual
Page 14
... 68 Printer Malefactions or Inoperable Printer Problems 3 - 71 Verifying Power Supply Operation 3 - 72 Measuring Power Supply Voltages 3 - 72 POWER Connector Pinout 3 - 72 Safety interlocks 3 - 73 The +5 VDC Loop 3 - 74 To verify the +5 volt loop is complete 3 - 74 Fuser Roller ...Contacts 5 - 127 FRU Disassembly 6 - 129 Orientation of the Printer 6 - 131 General Notes on Disassembly 6 - 131 Preparation 6 - 131 Work Notes 6 - 132 Notations in the Disassembly Text 6 - 132 About Screw Colors 6 - 132 Disassembly Procedures 6 - 133 xii Phaser 7300 Color Printer Service Manual
... 68 Printer Malefactions or Inoperable Printer Problems 3 - 71 Verifying Power Supply Operation 3 - 72 Measuring Power Supply Voltages 3 - 72 POWER Connector Pinout 3 - 72 Safety interlocks 3 - 73 The +5 VDC Loop 3 - 74 To verify the +5 volt loop is complete 3 - 74 Fuser Roller ...Contacts 5 - 127 FRU Disassembly 6 - 129 Orientation of the Printer 6 - 131 General Notes on Disassembly 6 - 131 Preparation 6 - 131 Work Notes 6 - 132 Notations in the Disassembly Text 6 - 132 About Screw Colors 6 - 132 Disassembly Procedures 6 - 133 xii Phaser 7300 Color Printer Service Manual
Service Manual
Page 15
... 8 - 233 Duplex Unit 8 - 234 Paper Jam Detection 8 - 235 Paper Size Sensing 8 - 236 Fuser Temperature Settings 8 - 237 Cover Open Detection 8 - 238 Toner Detection 8 - 239 Color Registration Detection 8 - 241 Customer Replaceable Consumable Detection 8 - 242 Customer Replaceable Consumable (CRC) Life Counter Behavior ..........8 - 242 Printer Components 8 - 244 Engine Controller Board Connectors 8 - 246 Sensors...8 - 248 Clutches, Motors and...
... 8 - 233 Duplex Unit 8 - 234 Paper Jam Detection 8 - 235 Paper Size Sensing 8 - 236 Fuser Temperature Settings 8 - 237 Cover Open Detection 8 - 238 Toner Detection 8 - 239 Color Registration Detection 8 - 241 Customer Replaceable Consumable Detection 8 - 242 Customer Replaceable Consumable (CRC) Life Counter Behavior ..........8 - 242 Printer Components 8 - 244 Engine Controller Board Connectors 8 - 246 Sensors...8 - 248 Clutches, Motors and...
Service Manual
Page 36
... at Tray 2 E3 Misfeed at Tray 3 E4 Misfeed at Tray 4 E5 Misfeed at Tray 5 E12 Top Output Tray is Full, Unload Paper T1 Fuser Upper Failure T2 Fuser Lower Failure T29 Temp Sensor Failure T30 RH Sensor Failure T32 LED Over Temperature Failure T34 IU Motor Overheating Failure U0 Engine ROM Failure... 2 - 41 2 - 39 2 - 43 2 - 43 2 - 43 2 - 43 2 - 43 2 - 42 2 - 42 2 - 42 2 - 42 2 - 42 2 - 43 2 - 56 2 - 56 2 - 56 2 - 57 2 - 57 2 - 57 2 - 58 2 - 58 2 - 58 2 - 58 2 - 58 2-20 Phaser 7300 Color Printer Service Manual
... at Tray 2 E3 Misfeed at Tray 3 E4 Misfeed at Tray 4 E5 Misfeed at Tray 5 E12 Top Output Tray is Full, Unload Paper T1 Fuser Upper Failure T2 Fuser Lower Failure T29 Temp Sensor Failure T30 RH Sensor Failure T32 LED Over Temperature Failure T34 IU Motor Overheating Failure U0 Engine ROM Failure... 2 - 41 2 - 39 2 - 43 2 - 43 2 - 43 2 - 43 2 - 43 2 - 42 2 - 42 2 - 42 2 - 42 2 - 42 2 - 43 2 - 56 2 - 56 2 - 56 2 - 57 2 - 57 2 - 57 2 - 58 2 - 58 2 - 58 2 - 58 2 - 58 2-20 Phaser 7300 Color Printer Service Manual
Service Manual
Page 37
...LED Failure Yellow Imaging Unit Failure Magenta Imaging Unit Failure Cyan Imaging Unit Failure Black Imaging Unit Failure Flash Hardware Failure Flash Software Failure Fuser Fan Failure Fuser 110v/220v Mismatch 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...
...LED Failure Yellow Imaging Unit Failure Magenta Imaging Unit Failure Cyan Imaging Unit Failure Black Imaging Unit Failure Flash Hardware Failure Flash Software Failure Fuser Fan Failure Fuser 110v/220v Mismatch 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...
Service Manual
Page 39
... Reseat Cyan Imaging Unit Install or Reseat Magenta Imaging Unit Install or Reseat Yellow Imaging Unit Install or Reseat Black Imaging Unit Install or Reseat Fuser Replace Fuser Install or Reseat Transfer Unit Humidity Too High to Print Usage Profile Code 100 101 102 103 104 105 106 114 115 116 117...
... Reseat Cyan Imaging Unit Install or Reseat Magenta Imaging Unit Install or Reseat Yellow Imaging Unit Install or Reseat Black Imaging Unit Install or Reseat Fuser Replace Fuser Install or Reseat Transfer Unit Humidity Too High to Print Usage Profile Code 100 101 102 103 104 105 106 114 115 116 117...
Service Manual
Page 43
... and returns printer to print. Engine Status No Status to Report = the printer is displayed sequentially, one line at a time. Status is online and ready to Ready. Fuser Temperature Fuser Temp Upper is nnn deg.C Fuser Temp Lower is nnn deg.C Fuser (UpperSide) is...Version is n.n.n Tray 3 Version is n.n.n Tray 4 Version is n.n.n Tray 5 Version is Present/Absent Tray 1-n Installed Displays current memory installed. Printer Configuration Memory: nnnMB Hard Drive is Present/Absent Duplex is n.n.n Displays the engine firmware version, duplex version and trays 2, 3, 4, and 5 ...
... and returns printer to print. Engine Status No Status to Report = the printer is displayed sequentially, one line at a time. Status is online and ready to Ready. Fuser Temperature Fuser Temp Upper is nnn deg.C Fuser Temp Lower is nnn deg.C Fuser (UpperSide) is...Version is n.n.n Tray 3 Version is n.n.n Tray 4 Version is n.n.n Tray 5 Version is Present/Absent Tray 1-n Installed Displays current memory installed. Printer Configuration Memory: nnnMB Hard Drive is Present/Absent Duplex is n.n.n Displays the engine firmware version, duplex version and trays 2, 3, 4, and 5 ...
Service Manual
Page 44
Prints test prints stored on the Engine Controller Board. Used to isolate print problems to the engine or Image Processor by service personnel to the Engine Controller Board. Execute Print P=nnn T=nnn U=nnn[nnn] H=nn% L=nnn[nnn] KTR=n.nn KV MTR=n.nn KV YTR=n.nn KV CTR=n.nn KV The prints are used by eliminating the normal image data transfer process from the Image Processor Board to identify, repair and validate the operability of the printer. Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front Panel Display Results Functional Definition Test Prints -
Prints test prints stored on the Engine Controller Board. Used to isolate print problems to the engine or Image Processor by service personnel to the Engine Controller Board. Execute Print P=nnn T=nnn U=nnn[nnn] H=nn% L=nnn[nnn] KTR=n.nn KV MTR=n.nn KV YTR=n.nn KV CTR=n.nn KV The prints are used by eliminating the normal image data transfer process from the Image Processor Board to identify, repair and validate the operability of the printer. Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front Panel Display Results Functional Definition Test Prints -
Service Manual
Page 46
..., Tray Missing See "Paper Size Sensing" on page 8-236 for more information. Chassis Fan Fan is On/Off Rear Fuser Fan Fan is On/Off Top Fuser Fan Fan is one of the sensors and switches by giving service personnel the ability to input state changes and observe proper... is On/Off Motor Fuser Unit Motor Duplex Unit Motor Job Offset Motor Fuser Motor Forward Fuser Motor is On/Off Fuser Motor Reverse Fuser Motor is On/Off Fuser Motor Release Fuser Motor is On/Off Motor is On/Off Motor is Paper/Transparency Actuate and Deactuate the switch. 2-30 Phaser 7300 Color Printer Service Manual
..., Tray Missing See "Paper Size Sensing" on page 8-236 for more information. Chassis Fan Fan is On/Off Rear Fuser Fan Fan is On/Off Top Fuser Fan Fan is one of the sensors and switches by giving service personnel the ability to input state changes and observe proper... is On/Off Motor Fuser Unit Motor Duplex Unit Motor Job Offset Motor Fuser Motor Forward Fuser Motor is On/Off Fuser Motor Reverse Fuser Motor is On/Off Fuser Motor Release Fuser Motor is On/Off Motor is On/Off Motor is Paper/Transparency Actuate and Deactuate the switch. 2-30 Phaser 7300 Color Printer Service Manual
Service Manual
Page 47
....C Amb. is nnnh Color Reg. Rear is nnnh ENGINEERING USE ONLY Density Sensor Density is nnnh ENGINEERING USE ONLY Media Weight Sensor Fuser Temp Sensors Ambient Temp/Hum Sensor CMYK LED Temp Sensor CMYK IU Sensor Media Weight is nnnh ENGINEERING USE ONLY Fuser Temp Upper is nnn deg.C Fuser Temp Lower is nnn... Entrance Paper is Present / Not Present Middle Paper is Present / Not Present Exit Paper is nnn % See "Environmental Specifications" on page 8-233 for the optimal printer operating range. Hum. Amb. Error Messages and Codes 2-31 is Present / Not Present...
....C Amb. is nnnh Color Reg. Rear is nnnh ENGINEERING USE ONLY Density Sensor Density is nnnh ENGINEERING USE ONLY Media Weight Sensor Fuser Temp Sensors Ambient Temp/Hum Sensor CMYK LED Temp Sensor CMYK IU Sensor Media Weight is nnnh ENGINEERING USE ONLY Fuser Temp Upper is nnn deg.C Fuser Temp Lower is nnn... Entrance Paper is Present / Not Present Middle Paper is Present / Not Present Exit Paper is nnn % See "Environmental Specifications" on page 8-233 for the optimal printer operating range. Hum. Amb. Error Messages and Codes 2-31 is Present / Not Present...
Service Manual
Page 48
... Toggle the actuator to hear the clutch engage. 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 Test runs for 10 seconds or until the...
... Toggle the actuator to hear the clutch engage. 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 Test runs for 10 seconds or until the...
Service Manual
Page 51
... with media present in sensor. Anvil Measure: V=n.nn FOR ENGINEERING USE ONLY NVRAM Access - CRU Counter Read Total Pages = nnn Fuser pages = nnn Trans.Belt Images = nnn Error Messages and Codes 2-35 Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front... Execute Gauge Measurement Insert thickness gauge, then press OK Test Fault - This menu lets you sure? Yes No Exiting Service Diagnostics Restores the printers setup values to cycle power Gauge Measurement Results Cal. No Paper Average: 1=nnV, 2=nnV, 3=nnV, CHK=nnV Paper Average: 1=nnV,...
... with media present in sensor. Anvil Measure: V=n.nn FOR ENGINEERING USE ONLY NVRAM Access - CRU Counter Read Total Pages = nnn Fuser pages = nnn Trans.Belt Images = nnn Error Messages and Codes 2-35 Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front... Execute Gauge Measurement Insert thickness gauge, then press OK Test Fault - This menu lets you sure? Yes No Exiting Service Diagnostics Restores the printers setup values to cycle power Gauge Measurement Results Cal. No Paper Average: 1=nnV, 2=nnV, 3=nnV, CHK=nnV Paper Average: 1=nnV,...
Service Manual
Page 52
...running power on the Image Processor Board. Exits service diagnostics to the printer after executing this test. Passed / Failed Performs an extended memory test on self test. 2-36 Phaser 7300 Color Printer Service Manual Y / N unit Count Resetting transfer unit Count IP ...IU Count Resetting IU Count Reset Magenta IU Count Resetting IU Count Reset Cyan IU Count Resetting IU Count No Reset Reset Fuser Count Reset Fuser Count? Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front Panel Display Results Functional Definition IUs: Y = nnn...
...running power on the Image Processor Board. Exits service diagnostics to the printer after executing this test. Passed / Failed Performs an extended memory test on self test. 2-36 Phaser 7300 Color Printer Service Manual Y / N unit Count Resetting transfer unit Count IP ...IU Count Resetting IU Count Reset Magenta IU Count Resetting IU Count Reset Cyan IU Count Resetting IU Count No Reset Reset Fuser Count Reset Fuser Count? Service Diagnostics Tests and Functions Table (cont'd.) Menu Item Front Panel Display Results Functional Definition IUs: Y = nnn...
Service Manual
Page 53
...: Jam in obstructions. Complete 3 Check the fuser for approved media types and weights. Go to step [2]. Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Ensure the correct weight and type of test prints through the printer. Load approved paper is loaded in the tray.... A10: Jam at Fuser Exit. Eject Guide Assembly Rollers Fuser Rollers Exit Rollers Feeder Assembly Rollers Registration Rollers and grounding strap Did this fix...
...: Jam in obstructions. Complete 3 Check the fuser for approved media types and weights. Go to step [2]. Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Ensure the correct weight and type of test prints through the printer. Load approved paper is loaded in the tray.... A10: Jam at Fuser Exit. Eject Guide Assembly Rollers Fuser Rollers Exit Rollers Feeder Assembly Rollers Registration Rollers and grounding strap Did this fix...
Service Manual
Page 54
... each motor Replace the Replace the and clutch. Go to step [9]. Main Feed Motor Transfer Unit Motor Registration Motor Registration Clutch Fuser Motor Replace the Engine Controller Board. Troubleshooting Procedure Table (cont'd.) Steps Actions and Questions Yes No 6 Check the sensor for... : solenoid. for debris that could Clean the sensor Go to step [10]. and/or the problem motor/clutch. 2-38 Phaser 7300 Color Printer Service Manual Is there a gap between rollers and ensure the Registration Roller grounding strap is free from defects? Engine Controller wiring ...
... each motor Replace the Replace the and clutch. Go to step [9]. Main Feed Motor Transfer Unit Motor Registration Motor Registration Clutch Fuser Motor Replace the Engine Controller Board. Troubleshooting Procedure Table (cont'd.) Steps Actions and Questions Yes No 6 Check the sensor for... : solenoid. for debris that could Clean the sensor Go to step [10]. and/or the problem motor/clutch. 2-38 Phaser 7300 Color Printer Service Manual Is there a gap between rollers and ensure the Registration Roller grounding strap is free from defects? Engine Controller wiring ...
Service Manual
Page 70
.... Replace the Engine Controller Board EEPROM. Replace in the following order: Fuser Engine Controller Board Low Voltage Power Supply and wiring harness. 2-54 Phaser 7300 Color Printer Service Manual No Reseat the Fuser. Yes Go to check the Fuser life. Is the fuser at or near end-of-life? 2 Verify that all other errors have been cleared...
.... Replace the Engine Controller Board EEPROM. Replace in the following order: Fuser Engine Controller Board Low Voltage Power Supply and wiring harness. 2-54 Phaser 7300 Color Printer Service Manual No Reseat the Fuser. Yes Go to check the Fuser life. Is the fuser at or near end-of-life? 2 Verify that all other errors have been cleared...
Service Manual
Page 72
... operating correctly? Go to step [4]. See "Environmental Specifications" on Fuser. Is the printer operating temperature within its optimal range? Sensor Board Verify proper operation of the environmental specifications. 2-56 Phaser 7300 Color Printer Service Manual page 3-75 3 Check the Fuser thermistors. Did the error reappear? Replace the See "Fuser Roller Resistances" on page 1-15. Complete 2 Check the...
... operating correctly? Go to step [4]. See "Environmental Specifications" on Fuser. Is the printer operating temperature within its optimal range? Sensor Board Verify proper operation of the environmental specifications. 2-56 Phaser 7300 Color Printer Service Manual page 3-75 3 Check the Fuser thermistors. Did the error reappear? Replace the See "Fuser Roller Resistances" on page 1-15. Complete 2 Check the...
Service Manual
Page 76
...the Low Voltage Power Supply and/or wiring harness. Replace wiring harness or connector. 2-60 Phaser 7300 Color Printer Service Manual defective fan and Is there +34 volts? Go to step [3]. Go to step [3]. Fuser Fan. Duplex Unit. 3 Inspect the wiring harness from the Replace Engine Duplex Unit to ... to fuse Replace the F7 on the Engine Engine Controller Controller Board is supplying +34 volts to Board. No Go to the printer. Replace the Is the connector damaged or defective? wiring harness. 3 Verify the Low Voltage Power Supply to test the Rear Board...
...the Low Voltage Power Supply and/or wiring harness. Replace wiring harness or connector. 2-60 Phaser 7300 Color Printer Service Manual defective fan and Is there +34 volts? Go to step [3]. Go to step [3]. Fuser Fan. Duplex Unit. 3 Inspect the wiring harness from the Replace Engine Duplex Unit to ... to fuse Replace the F7 on the Engine Engine Controller Controller Board is supplying +34 volts to Board. No Go to the printer. Replace the Is the connector damaged or defective? wiring harness. 3 Verify the Low Voltage Power Supply to test the Rear Board...
Service Manual
Page 79
...Low Voltage Power Supply and/or wiring harness. wiring harness. 10 Check the Imaging Unit wiring harness. harness. No Go to the printer. pins 12, 13, and 14. No Complete Troubleshooting Procedure Table Steps Actions and Questions Yes 2 Verify +34 volts is being ... defective fan and Is there +34 volts? Go to Motor. Replace the Engine Controller Board. U32: Fuser Fan Failure Yes Replace the Engine Controller Board. Replace the Printer Unit Chassis. Supply and/or pins 12, 13, and 14. Troubleshooting Procedure Table Steps Actions and Questions...
...Low Voltage Power Supply and/or wiring harness. wiring harness. 10 Check the Imaging Unit wiring harness. harness. No Go to the printer. pins 12, 13, and 14. No Complete Troubleshooting Procedure Table Steps Actions and Questions Yes 2 Verify +34 volts is being ... defective fan and Is there +34 volts? Go to Motor. Replace the Engine Controller Board. U32: Fuser Fan Failure Yes Replace the Engine Controller Board. Replace the Printer Unit Chassis. Supply and/or pins 12, 13, and 14. Troubleshooting Procedure Table Steps Actions and Questions...
Service Manual
Page 80
... and Questions 1 Ensure the proper Fuser (110v vs. 220v) is installed. Is the correct Fuser installed? Troubleshooting Procedure Table Steps Actions and Questions 1 Verify the correct Phaser 7300 LTA or LTD is installed in the printer. U34: Unsupported Duplex Unit ROM...the following order: Duplex Unit. Yes Replace in the following order: LTA Controller Board Engine Controller Board No Replace the tray. 2-64 Phaser 7300 Color Printer Service Manual Engine Controller Board. Reseat the Duplex Unit Unsupported Tray [2] [3] [4] [5] ROM Failure U35: Tray 2 U36: Tray 3 ...
... and Questions 1 Ensure the proper Fuser (110v vs. 220v) is installed. Is the correct Fuser installed? Troubleshooting Procedure Table Steps Actions and Questions 1 Verify the correct Phaser 7300 LTA or LTD is installed in the printer. U34: Unsupported Duplex Unit ROM...the following order: Duplex Unit. Yes Replace in the following order: LTA Controller Board Engine Controller Board No Replace the tray. 2-64 Phaser 7300 Color Printer Service Manual Engine Controller Board. Reseat the Duplex Unit Unsupported Tray [2] [3] [4] [5] ROM Failure U35: Tray 2 U36: Tray 3 ...