CONTENTS
1-1 Specifications
1-1-1 Specifications..........................................................................................................................................1-1-1
1-1-2 Parts names............................................................................................................................................1-1-5
(1) Overall...............................................................................................................................................1-1-5
(2) Operation panel.................................................................................................................................1-1-6
1-1-3 Cross section view..................................................................................................................................1-1-7
1-2 Installation
1-2-1 Drum unit ................................................................................................................................................1-2-1
1-2-2 Developer unit and toner container.........................................................................................................1-2-1
1-2-3 Installation environment..........................................................................................................................1-2-1
1-2-4 Unpacking and installation......................................................................................................................1-2-2
(1) Installation procedure........................................................................................................................1-2-2
1-2-5 Installing expansion memory (optional) ..................................................................................................1-2-8
1-2-6 Installing a memory card (optional).........................................................................................................1-2-9
1-2-7 Installing the network interface card (optional) .....................................................................................1-2-10
1-2-8 Installing the hard disk unit (optional) ...................................................................................................1-2-11
1-3 Maintenance Mode
1-3-1 Maintenance mode .................................................................................................................................1-3-1
(1) Executing a maintenance item ..........................................................................................................1-3-1
1-3-2 Maintenance .........................................................................................................................................1-3-18
(1) Method of removing the toner soiling which comes in contact with heat roller and press roller/
press belt.........................................................................................................................................1-3-18
1-4 Troubleshooting
1-4-1 Paper misfeed detection.........................................................................................................................1-4-1
(1) Paper misfeed indication...................................................................................................................1-4-1
(2) Paper misfeed detection....................................................................................................................1-4-1
1-4-2 Self-diagnosis .........................................................................................................................................1-4-2
(1) Self-diagnostic function .....................................................................................................................1-4-2
(2) Self diagnostic codes ........................................................................................................................1-4-3
1-4-3 Image formation problems....................................................................................................................1-4-23
(1) No image appears (entirely white)...................................................................................................1-4-24
(2) No image appears (entirely black)...................................................................................................1-4-24
(3) A specific color is printed solid........................................................................................................1-4-24
(4) The back side gets dirty. .................................................................................................................1-4-25
(5) Image is too light.............................................................................................................................1-4-25
(6) The background is colored..............................................................................................................1-4-26
(7) White streaks are printed vertically. ................................................................................................1-4-26
(8) Black streaks are printed vertically..................................................................................................1-4-27
(9) Streaks are printed horizontally.......................................................................................................1-4-27
(10) Spots are printed.............................................................................................................................1-4-27
(11) The leading edge of image begins to print too early or too late. .....................................................1-4-27
(12) Paper is wrinkled.............................................................................................................................1-4-28
(13) Offset occurs...................................................................................................................................1-4-28
(14) Part of image is missing..................................................................................................................1-4-28
(15) Fusing is loose. ...............................................................................................................................1-4-28
(16) Colors are printed offset to each other............................................................................................1-4-28
1-4-4 Electric problems ..................................................................................................................................1-4-29
(1) "Close top cover" display is not cancelled to closing the top cover.................................................1-4-29
(2) "Close side cover" display is not cancelled to closing the top cover. ..............................................1-4-29
(3) "Close paper transfer unit" display is not cancelled to closing the paper feed unit. ........................1-4-30
(4) "Cassette 1 not loaded" display is not cancelled to closing the paper cassette..............................1-4-30
(5) "Check waste toner box" display is not cancelled to replacing the waste toner box. ......................1-4-30
(6) The paper size is not recognized as the size set with the paper size dial.......................................1-4-31
(7) Paper misfeed display is not cancelled. ..........................................................................................1-4-31
1-4-5 Mechanical problems............................................................................................................................1-4-32
(1) No primary paper feed.....................................................................................................................1-4-32
(2) No secondary paper feed................................................................................................................1-4-32
(3) Skewed paper feed. ........................................................................................................................1-4-32
(4) Multiple sheets of paper are fed at one time. ..................................................................................1-4-32
(5) Paper jams......................................................................................................................................1-4-32
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