Specifications

4 PART REPLACEMENT
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 Removal of Covers . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2.1 Removing Side Cover R . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2.2 Removing Side Cover L. . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.2.3 Removing Front Cover. . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.2.4 Replacing Panel Board Assembly . . . . . . . . . . . . . . . . 4-6
4.2.5 Removing Y-axis rail cover . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.6 Removing Paper Guide F . . . . . . . . . . . . . . . . . . . . . . 4-8
4.2.7 Removing Paper Guide R . . . . . . . . . . . . . . . . . . . . . 4-10
4.2.8 Removing Head Cover . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.2.9 Removing Pump Cover . . . . . . . . . . . . . . . . . . . . . . . 4-12
4.3 Replacement of Board Assemblies. . . . . . . . . . . . 4-13
4.3.1 Replacing SUB Board Assembly . . . . . . . . . . . . . . . . 4-13
4.3.2 Replacing MAIN Board Assembly, DIMM, MOTHER
Board Assembly, HDD_MOTHER Board Assembly . 4-14
4.3.3 Replacing POWER A Board Assembly, POWER B
Board Assembly, DC Power Supply Assemblies. . . . 4-17
4.4 Replacement of PF Driving Section Components 4-22
4.4.1 Replacing PF Motor Assembly . . . . . . . . . . . . . . . . . 4-22
4.4.2 Replacing PF_ENC Assembly and PF Scale
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
4.4.3 Replacing P_REAR_R sensor assembly. . . . . . . . . . 4-24
4.4.4 Replacing Lever Motor Assembly . . . . . . . . . . . . . . . 4-25
4.4.5 Replacing Heater and Thermister Assembly . . . . . . . 4-28
4.4.6 Replacing Transmission Type Photo Sensor. . . . . . . 4-30
4.5 Replacement of Y-axis Driving System
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
4.5.1 Replacing Steel Belt . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
4.5.2 Replacing CR Motor Assembly . . . . . . . . . . . . . . . . . 4-33
4.5.3 Replacing SLID Motor Assembly. . . . . . . . . . . . . . . . 4-35
4.5.4 Replacing HD_SLIDE Sensor Assembly . . . . . . . . . . 4-36
4.5.5 Replacing T Fence . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
4.5.6 Replacing CR Driven Pulley . . . . . . . . . . . . . . . . . . . 4-38
4.5.7 Replacing Steel Bearer, Tube Guide, CR Tape Wire,
and Intake Tube. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
4.5.8 Replacing Cover R Sensor Assembly and Cover L
Sensor Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42
4.6 Replacement of Head Components. . . . . . . . . . . . 4-44
4.6.1 Replacing HEAD Board Assembly. . . . . . . . . . . . . . . 4-44
4.6.2 Replacing Head Assembly. . . . . . . . . . . . . . . . . . . . . 4-44