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ENWW 129
MFP disassembly/assembly
5MFP
disassembly/assembly
External section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Replacing the ozone filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Replacing the developing suction filter. . . . . . . . . . . . . . . . . . . . . . . . . 133
Removing and reinstalling the external covers . . . . . . . . . . . . . . . . . . 133
Changing the control panel attachment angle and
removing/reinstalling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Resetting the circuit breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Drive section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Removing and reinstalling the drum motor (M2) . . . . . . . . . . . . . . . . . 138
Removing and reinstalling the fusing input gear . . . . . . . . . . . . . . . . . 140
Scanner section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Screws that must not be removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Removing and reinstalling the CCD unit . . . . . . . . . . . . . . . . . . . . . . . 141
Replacing the exposure lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Removing and reinstalling the exposure unit . . . . . . . . . . . . . . . . . . . . 143
Installing the optics wire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Cleaning the ADF glass and scanner glass. . . . . . . . . . . . . . . . . . . . . 147
Replacing the scanner motor (M11) . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Laser scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Removing and reinstalling the laser/scanner assembly. . . . . . . . . . . . 150
Cleaning the dust-proof glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Drum unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Removing and reinstalling the drum unit . . . . . . . . . . . . . . . . . . . . . . . 152
Installing the coupling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Removing, cleaning, and reinstalling the drum . . . . . . . . . . . . . . . . . . 155
Removing and reinstalling the separation claws and separation
claw solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Removing and reinstalling the toner control sensor board. . . . . . . . . . 158
Corona unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Screws that must not be removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Removing and reinstalling the charging corona unit . . . . . . . . . . . . . . 159
Removing and reinstalling the charge control plate . . . . . . . . . . . . . . . 160
Replacing the charging wires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Removing and reinstalling the charging wire cleaning unit . . . . . . . . . 161
Removing and reinstalling the PCL . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Cleaning the charging corona unit/PCL . . . . . . . . . . . . . . . . . . . . . . . . 163
Removing and reinstalling the transfer/separation corona unit . . . . . . 163
Removing and reinstalling the plunger prevention plate . . . . . . . . . . . 164
Replacing the transfer/separation wires and transfer/separation
wire cleaning block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Removing and reinstalling the TSL unit . . . . . . . . . . . . . . . . . . . . . . . . 166