1-1-1 Specifications..........................................................................................................................................1-1-1

1-1-2 Parts names............................................................................................................................................1-1-4

(1) Machine.............................................................................................................................................1-1-4

(2) Operation panel.................................................................................................................................1-1-5

1-1-3 Machine cross section ............................................................................................................................1-1-6

1-2 Installation

1-2-1 Installation environment .........................................................................................................................1-2-1

1-2-2 Unpacking and installation ......................................................................................................................1-2-2

(1) Installation procedure ........................................................................................................................1-2-2

(2) Setting initial copy modes................................................................................................................1-2-10

1-2-3 Installing the key counter (option) .........................................................................................................1-2-11

1-3 Maintenance Mode

1-3-1 Maintenance mode .................................................................................................................................1-3-1

(1) Executing a maintenance item ..........................................................................................................1-3-1

(2) Maintenance modes item list.............................................................................................................1-3-2

(3) Contents of the maintenance mode items.........................................................................................1-3-6

1-4 Troubleshooting

1-4-1 Paper misfeed detection .........................................................................................................................1-4-1

(1) Paper misfeed indication ...................................................................................................................1-4-1

(2) Paper misfeed detection conditions ..................................................................................................1-4-2

(3) Paper misfeeds ...............................................................................................................................1-4-11

1-4-2 Self-diagnosis .......................................................................................................................................1-4-22

(1) Self-diagnostic function ...................................................................................................................1-4-22

(2) Self diagnostic codes ......................................................................................................................1-4-23

1-4-3 Image formation problems ....................................................................................................................1-4-44

(1) No image appears (entirely white)...................................................................................................1-4-45

(2) No image appears (entirely black)...................................................................................................1-4-45

(3) Image is too light. ............................................................................................................................1-4-46

(4) Background is visible.......................................................................................................................1-4-46

(5) A white line appears longitudinally. .................................................................................................1-4-46

(6) A black line appears longitudinally. .................................................................................................1-4-47

(7) A black line appears laterally...........................................................................................................1-4-47

(8) One side of the copy image is darker than the other.......................................................................1-4-47

(9) Black dots appear on the image......................................................................................................1-4-47

(10) Image is blurred...............................................................................................................................1-4-48

(11) The leading edge of the image is consistently misaligned with the original. ...................................1-4-48

(12) The leading edge of the image is sporadically misaligned with the original. ...................................1-4-48

(13) Paper creases. ................................................................................................................................1-4-48

(14) Offset occurs. ..................................................................................................................................1-4-49

(15) Image is partly missing....................................................................................................................1-4-49

(16) Fusing is poor..................................................................................................................................1-4-49

(17) Image is out of focus. ......................................................................................................................1-4-49

(18) Image center does not align with the original center. ......................................................................1-4-50

(19) Image is not square.........................................................................................................................1-4-50

1-4-4 Electric problems ..................................................................................................................................1-4-51

1-4-5 Mechanical problems ............................................................................................................................1-4-55

1-5 Assembly and Disassembly

1-5-1 Precautions for assembly and disassembly............................................................................................1-5-1

(1) Precautions .......................................................................................................................................1-5-1

(2) Drum..................................................................................................................................................1-5-1

(3) Toner .................................................................................................................................................1-5-1

1-5-2 Paper feed section ..................................................................................................................................1-5-2

(1) Detaching and refitting the forwarding, paper feed and separation pulleys ......................................1-5-2

(2) Detaching and refitting the MP separation, MP paper feed and MP forwarding pulleys ...................1-5-4

(3) Detaching and refitting the left and right registration cleaner ............................................................1-5-9

CONTENTS

2GN/2GP/2GR