Konica Minolta bizhub 4020 Service Manual page 9

4.8.2 Scanner disabled error service check ............................................................................ 158
4.8.3 Scanner carriage failure service check ........................................................................... 160
4.8.4 ADF service check .......................................................................................................... 161
4.8.5 Scanner configuration error service check ..................................................................... 162
4.8.6 Scan/fax/copy symptoms ................................................................................................ 162
4.8.7 Black or blank page copy service check ......................................................................... 163
4.8.8 CCD service check ......................................................................................................... 164
4.8.9 Flatbed motor service check ........................................................................................... 164
4.8.10 Flatbed home position service check ............................................................................. 164
4.8.11 ADF rattling noise service check .................................................................................... 165
4.8.12 Flatbed legal scan service check .................................................................................... 166
4.8.13 ADF streak service check ............................................................................................... 166
4.8.14 ADF feed errors service check ....................................................................................... 167
4.8.15 ADF duplex service check (bizhub 4020 only) ............................................................... 168
4.8.16 Modem/fax board service check ..................................................................................... 169
4.8.17 Blank spaces on incoming fax service check ................................................................. 170
4.8.18 Stretched words on incoming fax service check............................................................. 170
4.8.19 Fax reception service check ........................................................................................... 171
4.8.20 Fax transmission service check ...................................................................................... 172
4.8.21 Fax error log codes ......................................................................................................... 175
4.8.22 Escalating a fax issue to second-level support............................................................... 179
4.9 Input option hardware errors .................................................................................................. 181
4.9.1 321-344 errors ................................................................................................................ 181
5. Service menus .............................................................................................................................. 185
5.1 Diagnostics menu ................................................................................................................... 185
5.1.1 Entering the Diagnostics menu ....................................................................................... 187
5.1.2 Registration ..................................................................................................................... 187
5.1.3 Scanner calibration ......................................................................................................... 188
5.1.4 Print Tests ....................................................................................................................... 188
5.1.5 Print Quality Pages ......................................................................................................... 189
5.1.6 HARDWARE TESTS ...................................................................................................... 189
5.1.7 DUPLEX TESTS ............................................................................................................. 192
5.1.8 INPUT TRAY TESTS ...................................................................................................... 194
bizhub 4020/3320 Service Manual
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