Xerox Phaser 8200 User Manual Download

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P h a s e r

®

C o l o r P r i n t e r

840/85

Service

Manual

With Phaser

®

8200 Color Printer Addendum

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Summary of Contents for Phaser 8200

Page 1: ...P h a s e r C o l o r P r i n t e r 840 85 Service Manual With Phaser 8200 Color Printer Addendum ...

Page 2: ...1 12 Circuit Boards 1 13 The printer s I2 C bus 1 15 Printhead Maintenance System 1 16 Sensor Maps 1 17 Combination sensors and their meanings 1 20 Media tray type sensing 1 20 The Main Board 1 21 Front Panel Phaser 840 850 Printers 1 23 Front Panel Phaser 860 1 24 Rear Panel Connections 1 25 Rear Panel Status LEDs 1 28 DIP Switches 1 28 Phaser 840 850 and 860 Printer Differences 1 29 Specificatio...

Page 3: ...band running length of print 3 89 Color is uneven 3 90 Streaks or lines down the print 3 91 Scratches parallel to the long axis of printing particularly with film 3 92 Printing too light or too dark 3 93 White portion of print is colored 3 94 Fuzzy Text 3 95 Poor primary color fills 3 96 Ghosting 3 97 Poor small text resolution 3 98 Vertical line appear wavy 3 99 Oil streaks on print 3 100 Incompl...

Page 4: ... 144 Printhead to ng adjustment Phaser 840 Printer Only 4 146 X axis scale 4 149 Cap wipe pur y belt adjustments 4 150 Drum positio ap 4 152 Transfix rolle pring adjustment 4 154 Vacuum check Ph 50 Only 4 155 Resetting NVRAM 4 156 Test Prints 5 159 1 X axis mo 5 160 2 Weak mis 5 161 3 Color Ban Dither 5 161 4 Reverse T 5 162 5 Big Bands Hand fed OHP 5 162 6 66 Gray dot size uniformity 5 163 7 Manu...

Page 5: ...ransfix assembly 7 188 Drum position sensor assembly Phaser 840 printer 7 192 Drum position sensor assembly Phaser 850 860 7 194 Printhead 7 196 X axis motor and drive assembly 7 199 Y axis belt drive assembly Phaser 840 printer 7 200 Y axis belt drive assembly Phaser 850 860 printer 7 201 Cap wipe purge assembly Phaser 840 printer 7 202 Cap wipe purge assembly Phaser 850 860 printer 7 204 FRU Par...

Page 6: ...Items PA 241 Inks PA 242 Memory PA 242 Appendix A 243 On site Printhead Troubleshooting Checklist Phaser 340 350 360 380 840 850 A 244 On site Electronics Troubleshooting Checklist Phaser 840 850 A 250 Z840 z850 Electronics Troubleshooting Guide A 253 On site Printhead Troubleshooting Checklist Phaser 860 8 A 261 On site Elect bleshooting Checklist Phaser 860 A 266 ...

Page 7: ... Paper Path Problems RAP Table Table 3 1 Electrical Interface RAP Table Problem on Page System Power Up Sequence page 76 Inoperative Printer No Lights No Sound on power up page 80 Verifying Main Board CPU Operation page 80 Verifying Print Engine operation by its startup page page 81 Verifying Power Supply and Measuring Voltages page 81 Inspecting the power supply fuses page 82 Testing for shorted ...

Page 8: ... or marked page 94 Fuzzy text page 95 Poor primary color fills page 96 Ghosting page 97 Poor small text resolution page 98 Vertical line appears wavy page 99 Oil streaks on print top or bottom page 100 Incomplete image transfer to paper page 101 Ink smears on first side of duplex print page 102 Repeating print defects on print page 103 Wrinkling page 104 Image is offset or cut off page 105 Poor in...

Page 9: ...he Color Printer Service Support Resources CD ROM Procedures included here are Main board and its components 7 180 Power supply 7 183 Power control board 7 184 Upper feed roller asse 7 185 Preheat drum heater a 7 187 Drum transfix assemb 7 188 Drum position sensor 7 192 Printhead 7 196 X axis motor and driv 7 199 Y axis belt drive assem 7 200 Cap wipe purge assem 7 202 This topic concludes with n ...

Page 10: ...out the main board 4 If you are replacing the main board transfer the socketed realtime clock NVRAM chip and the printer ID chip to the new board so that the printer s settings and Ethernet address are retained Also swap the SCSI riser board code ROM DIMM and the SDRAM DIMMs Fig 7 1 Removing the Phaser 840 printer main board 840 4 36 Main board Press here when installing RAM DIMMS Realtime clock N...

Page 11: ...r 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual XEROX Phaser 840 850 860 8200 service manual ...

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