Specifications
2-7. DEVELOPING UNIT
(1) Removal of the Sub Hopper. . . . . . . . . . . . . . . . . . . . . . . . D-50
(2) Disassembly of the Developing Unit and Replacement
of Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-50
(3) Cleaning and Replacement of the Developer Scattering
Prevention Seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-53
(4) Cleaning and Replacement of the Side Seals . . . . . . . . . D-53
(5) Cleaning of the Ds Positioning Collar . . . . . . . . . . . . . . . . D-54
(6) Cleaning of the Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-54
(7) Replacement of the Air Filter . . . . . . . . . . . . . . . . . . . . . . . D-54
(8) Removal of the ATDC Sensor . . . . . . . . . . . . . . . . . . . . . . D-54
(9) Replacement of the Developer. . . . . . . . . . . . . . . . . . . . . . D-55
2-8. FUSING UNIT
(1) Removal of the Fusing Unit . . . . . . . . . . . . . . . . . . . . . . . . D-56
(2) Disassembly of the Fusing Unit . . . . . . . . . . . . . . . . . . . . . D-57
(3) Cleaning and Replacement of the Upper Paper
Separator Fingers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-60
(4) Cleaning and Replacement of the Lower Paper
Separator Fingers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-61
(5) Cleaning and Replacement of the Pre-Fusing Guide
Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-61
(6) Cleaning and Replacement of the Upper Fusing Roller
Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-61
(7) Cleaning and Replacement of the Lower Fusing Roller
Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-62
(8) Replacement of the Web Roller . . . . . . . . . . . . . . . . . . . . . D-63
(9) Replacement of the Oil Supply/Web Feeding Roller . . . . D-63
(10) Cleaning of the Upper Transport Roller . . . . . . . . . . . . . D-64
(11) Cleaning of the Lower Transport Roller . . . . . . . . . . . . . D-64
2-9. DUPLEX UNIT
(1) Removal of the Duplex Unit . . . . . . . . . . . . . . . . . . . . . . . . D-65
(2) Replacement of the Duplex Paper Take-Up and
Feed Rolls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-65
(3) Replacement of the Duplex Separator Roll Assy . . . . . . . D-67
CONTENTS
iii










