Canon iR7086 Series Service Manual page 17

9.1.7 Controlling the Upper Separation Claw Reciprocating Mechanism ......................................................................... 9- 4
9.1.8 Controlling the Fixing Inlet Sensor Drive ................................................................................................................. 9- 5
9.2 Basic Sequence..........................................................................................................................................9- 6
9.2.1 Basic Sequence of Operations ................................................................................................................................ 9- 6
9.3 Various Control Mechanisms......................................................................................................................9- 6
9.3.1 Controlling the Fixing Roller Temperature............................................................................................................... 9- 6
9.3.1.1 Controlling the Down Sequence .............................................................................................................................................. 9- 6
9.3.1.2 Transparency Mode ................................................................................................................................................................. 9- 7
9.3.1.3 Heavy Paper Mode .................................................................................................................................................................. 9- 8
9.3.1.4 Power Save Mode.................................................................................................................................................................... 9- 8
9.4 Protective Functions ...................................................................................................................................9- 9
9.4.1 Error Detection ........................................................................................................................................................ 9- 9
9.5 Parts Replacement Procedure .................................................................................................................9- 11
9.5.1 Fixing Unit.............................................................................................................................................................. 9- 11
9.5.1.1 Removing the Fixing Assembly.............................................................................................................................................. 9- 11
9.5.2 Upper Fixing Roller................................................................................................................................................ 9- 12
9.5.2.1 Removing the Fixing Upper Roller ......................................................................................................................................... 9- 12
9.5.2.2 Mounting the Fixing Upper Roller .......................................................................................................................................... 9- 13
9.5.3 Lower Fixing Roller................................................................................................................................................ 9- 13
9.5.3.1 Removing the Lower Fixing Roller ......................................................................................................................................... 9- 13
9.5.3.2 Adjusting the Lower Roller Pressure (nip) ............................................................................................................................. 9- 13
9.5.4 External Delivery Roller ......................................................................................................................................... 9- 14
9.5.4.1 Removing the External Delivery Roller .................................................................................................................................. 9- 14
9.5.5 Internal Delivery Roller .......................................................................................................................................... 9- 14
9.5.5.1 Removing the Internal Delivery Roller ................................................................................................................................... 9- 14
9.5.6 Main Thermistor..................................................................................................................................................... 9- 14
9.5.6.1 Removing the Main Thermistor.............................................................................................................................................. 9- 14
9.5.6.2 Mounting the Main Thermistor ............................................................................................................................................... 9- 15
9.5.7 Sub Thermistor ...................................................................................................................................................... 9- 15
9.5.7.1 Removing the Sub Thermistor ............................................................................................................................................... 9- 15
9.5.8 Thermal Switch...................................................................................................................................................... 9- 15
9.5.8.1 Removing the Thermal Switch Unit........................................................................................................................................ 9- 15
9.5.8.2 Mounting the Thermal Switch Unit ......................................................................................................................................... 9- 16
9.5.9 Fixing Heater ......................................................................................................................................................... 9- 16
9.5.9.1 Removing the Main/Sub Heater............................................................................................................................................. 9- 16
9.5.9.2 Mounting the Main/Sub Heater .............................................................................................................................................. 9- 16
9.5.9.3 Points to Note When Mounting the Fixing Heater.................................................................................................................. 9- 16
9.5.10 Fixing Cleaning Belt............................................................................................................................................. 9- 17
9.5.10.1 Removing the Fixing Cleaning Belt ...................................................................................................................................... 9- 17
9.5.10.2 Mounting the Fixing Cleaning Belt ....................................................................................................................................... 9- 17
9.5.11 Claw Jam Sensor................................................................................................................................................. 9- 18
9.5.11.1 Removing the Claw Jam Sensor.......................................................................................................................................... 9- 18
9.5.12 External Delivery Sensor ..................................................................................................................................... 9- 18
9.5.12.1 Remove the External Delivery Sensor ................................................................................................................................. 9- 18
9.5.13 Internal Delivery Sensor ...................................................................................................................................... 9- 18
9.5.13.1 Removing the Internal Delivery Sensor................................................................................................................................ 9- 18
9.5.14 Reversal Sensor .................................................................................................................................................. 9- 19
9.5.14.1 Removing the Reversal Sensor ........................................................................................................................................... 9- 19
9.5.15 Fixing Inlet Sensor ............................................................................................................................................... 9- 19
9.5.15.1 Before Starting the Work...................................................................................................................................................... 9- 19
9.5.15.2 Removing the Fixing Inlet Sensor/Fixing Inlet HP Sensor ................................................................................................... 9- 19
9.5.16 Fixing/Feeding Outlet Sensor .............................................................................................................................. 9- 20
9.5.16.1 Remove the Fixing/Feeder Unit Outlet Sensor .................................................................................................................... 9- 20
9.5.17 Delivery Speed Switch Clutch.............................................................................................................................. 9- 20
9.5.17.1 Removing the Delivery Speed Switching Clutch .................................................................................................................. 9- 20
9.5.18 Upper Separation Claw........................................................................................................................................ 9- 20
9.5.18.1 Removing the Upper Separation Claw................................................................................................................................. 9- 20
9.5.19 Lower Separation Claw........................................................................................................................................ 9- 20
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