Confidential
ii
2.1.1 Document scanning ...................................................................................... 2-3
2.1.2 Printer part .................................................................................................... 2-3
2.2 Document Feeding/Recording Paper Feeding ...................................................... 2-4
2.2.1 Document feeding......................................................................................... 2-4
2.2.2 Recording paper feeding path....................................................................... 2-4
2.3 Function of Each Sensor/Roller............................................................................. 2-5
2.4 Block Diagram ....................................................................................................... 2-6
2.5 Components .......................................................................................................... 2-7
3 ERROR INDICATION..................................................................................................... 2-8
3.1 Error Codes ........................................................................................................... 2-8
3.2 Error Messages ................................................................................................... 2-12
3.3 Communications Error......................................................................................... 2-15
4 TROUBLESHOOTING ................................................................................................. 2-19
4.1 Error Cause and Solutions ..................................................................................2-19
4.2 Recording Paper Feeding Problems ................................................................... 2-45
4.2.1 Recording paper is not fed from paper tray................................................. 2-45
4.2.2 Two or more sheets of paper fed at a time .................................................2-46
4.2.3 Recording paper feeding at an angle .......................................................... 2-46
4.2.4 Recording paper is wrinkling.......................................................................2-47
4.2.5 Recording paper jam................................................................................... 2-48
4.3 Print-image Problems..........................................................................................2-51
4.3.1 Defective images......................................................................................... 2-51
4.3.2 Troubleshooting by print-image defect........................................................ 2-52
4.4 Software-related Problems.................................................................................. 2-63
4.4.1 Cannot print data......................................................................................... 2-63
4.5 Network Problems ............................................................................................... 2-64
4.5.1 Cannot print through a network connection ................................................2-64
4.6 Control Panel Problems.......................................................................................2-65
4.6.1 No display on the LCD ................................................................................2-65
4.6.2 LED does not light up..................................................................................2-65
4.6.3 The control panel does not work.................................................................2-65
4.6.4 Touch panel inoperative (only for models with a touch panel) ....................2-65
4.7 Document Feeding Problems.............................................................................. 2-66
4.7.1 Document cannot be fed............................................................................. 2-66
4.7.2 Document double feeding ...........................................................................2-66
4.7.3 Document jam.............................................................................................2-67
4.7.4 Wrinkles on documents............................................................................... 2-69
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