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Table of Contents
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7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Paper Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Checking Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Clearing Paper Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Error Messages Displayed on the Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Checking the Machine's Status From the <STATUS> Key . . . . . . . . . . . . . . . . . . . . . . .152
Other Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Unable to Print from a Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
Unable to Install a Printer Driver Successfully. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Restrictions on Each OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
Copying Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Faxing Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161
Scanning Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Image Quality Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Feeding Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Machine Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167
When the Power Goes Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
8 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Replacing Consumable Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Replacing Toner Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
Replacing the Image Drum (MB461, MB461+LP, MB471, MB471w, MB491, MB491+,
MB491+LP, ES4161 MFP, ES4191 MFP, MPS4200mb, MPS4700mb only) . . . . . . . . . . . .173
Replacing the Image Drum (MB441, MB451, MB451w only) . . . . . . . . . . . . . . . . . . . . .174
Cleaning Your Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Cleaning the Surface of the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Cleaning the Document Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Cleaning Document Feeding Rollers in the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Cleaning Paper Feed Rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
Cleaning LED Heads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Moving Your Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
9 Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Specifications (MB461/MB461+LP/MB471/MB471w/MB491/MB491+/
MB491+LP/ES4161 MFP/ES4191 MFP/MPS4200mb/MPS4700mb) . . . . . . . 181
Specifications (MB441/MB451/MB451w) . . . . . . . . . . . . . . . . . . . . . . . . . 189
Basic steps in Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Oki contact details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
10


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