1-1-22
2A3/4
3-3-6 Developing section ............................................................................ 3-3-51
(1) Replacing the developing unit upper seal ................................. 3-3-51
(2) Adjusting the position of the magnetic brush (developing roller)
(reference) ................................................................................. 3-3-52
(3) Adjusting the position of the doctor blade (reference) ............... 3-3-53
(4) Replacing the developing duct filter .......................................... 3-3-55
3-3-7 Transfer and separation section ....................................................... 3-3-56
(1) Replacing the charger wires and cleaning pads ........................ 3-3-56
3-3-8 Cleaning section ............................................................................... 3-3-59
(1) Detaching and refitting the cleaning blade ................................ 3-3-59
(2) Detaching and refitting the cleaning brush ................................ 3-3-61
(3) Detaching and refitting the drum separation claw assembly
and cleaning lower seal assembly ............................................. 3-3-63
3-3-9 Fixing section .................................................................................... 3-3-64
(1) Detaching and refitting fixing heaters M and S .......................... 3-3-64
(2) Detaching and refitting the fixing unit thermistor ....................... 3-3-68
(3) Detaching and refitting the fixing unit thermostats .................... 3-3-70
(4) Replacing the press roller .......................................................... 3-3-71
(5) Replacing the heat roller ........................................................... 3-3-73
(6) Replacing the heat roller separation claws ................................ 3-3-75
(7) Detaching and refitting the press roller separation claws .......... 3-3-76
(8) Replacing the cooling filter ........................................................ 3-3-77
(9) Replacing the ozone filter .......................................................... 3-3-78
(10) Adjusting the fixing pressure (reference) ................................... 3-3-79
3-3-10 Feedshift and duplex section ............................................................ 3-3-80
(1) Detaching and refitting the duplex forwarding pulley ................. 3-3-80
(2) Detaching and refitting the switchback roller,
duplex upper registration roller .................................................. 3-3-81
(3) Adjusting the position of the side registration section ............... 3-3-87
(4) Adjusting the side registration amount ...................................... 3-3-88
3-3-11 SRDF section .................................................................................... 3-3-89
(1) Detaching and refitting the DF original feed pulley and
the DF forwarding pulleys .......................................................... 3-3-89
(2) Detaching and refitting the DF separation pulley ...................... 3-3-91
(3) Adjusting the lateral squareness of the DF ............................... 3-3-94
(4) Adjusting the DF magnification .................................................. 3-3-96
(5) Adjusting the DF center line ...................................................... 3-3-97
(6) Adjusting the scanning start position when the DF is used ....... 3-3-98
(6-1) Adjusting the DF leading edge registration ..................... 3-3-98
(6-2) Adjusting the DF traling edge registration ...................... 3-3-99
(7) Adjusting the margins for scanning the original from the DF ... 3-3-100
3-3-12 Large paper deck section (42 ppm: optional/52 ppm: standard) ..... 3-3-102
(1) Detaching and refitting the upper and lower deck separation
rollers ....................................................................................... 3-3-103
(2) Detaching and refitting the deck paper conveying unit
assembly ................................................................................. 3-3-103
(3) Detaching and refitting deck paper feed roller 1 ...................... 3-3-104
(4) Adjusting the position of the center adjuster
(center line alignment) ............................................................. 3-3-105
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...