(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

1-4-6 Send error code ....................................................................................................................................1-4-57

(1) Scan to SMB error codes ................................................................................................................1-4-57

(2) Scan to FTP error codes .................................................................................................................1-4-58

(3) Scan to E-mail error codes..............................................................................................................1-4-59

(4) Network Twain error codes .............................................................................................................1-4-60

(5) Software trouble error codes ...........................................................................................................1-4-60

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

(4) How to tell a genuine Kyocera Mita toner container..........................................................................1-5-2

1-5-2 Paper feed section ..................................................................................................................................1-5-3

(1) Detaching and refitting the forwarding, paper feed and separation pulleys ......................................1-5-3

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

(3) Detaching and refitting the left and right registration cleaner ..........................................................1-5-10

1-5-3 Optical section ......................................................................................................................................1-5-12

(1) Detaching and refitting the exposure lamp......................................................................................1-5-12

(2) Detaching and refitting the scanner wires .......................................................................................1-5-14

(3) Detaching and refitting the ISU (reference).....................................................................................1-5-19

(4) Adjusting the position of the ISU (reference)...................................................................................1-5-21

(5) Detaching and refitting the laser scanner unit .................................................................................1-5-22

(6) Adjusting the skew of the laser scanner unit (reference) ................................................................1-5-24

1-5-4 Drum section.........................................................................................................................................1-5-25

(1) Detaching and refitting the drum unit ..............................................................................................1-5-25

(2) Detaching and refitting the main charger unit..................................................................................1-5-26

(3) Detaching and refitting the drum separation claws .........................................................................1-5-27

1-5-5 Developing section................................................................................................................................1-5-28

(1) Detaching and refitting the developing unit .....................................................................................1-5-28

1-5-6 Transfer section ....................................................................................................................................1-5-29

(1) Detaching and refitting the transfer roller unit .................................................................................1-5-29

1-5-7 Fuser section ........................................................................................................................................1-5-30

(1) Detaching and refitting the fuser unit...............................................................................................1-5-30

(2) Detaching and refitting the heat roller separation claws..................................................................1-5-31

(3) Detaching and refitting the press roller............................................................................................1-5-32

(4) Detaching and refitting the fuser heater ..........................................................................................1-5-33

(5) Detaching and refitting the heat roller .............................................................................................1-5-34

(6) Detaching and refitting the fuser unit thermistor 1 and 2.................................................................1-5-35

(7) Adjusting front position of the fuser unit (adjusting lateral squareness) ..........................................1-5-36

1-5-8 Others ...................................................................................................................................................1-5-37

(1) Detaching and refitting the ozone filter 1 and 2...............................................................................1-5-37

(2) Detaching and refitting the dust filter 1 and 2..................................................................................1-5-38

(3) Detaching and refitting the hard disk...............................................................................................1-5-39

1-6 Requirements on PWB Replacement

1-6-1 Upgrading the firmware...........................................................................................................................1-6-1

1-6-2 Adjustment-free variable resistors (VR) ..................................................................................................1-6-1

1-6-3 Remarks on main PWB replacement......................................................................................................1-6-2

1-6-4 Remarks on engine PWB replacement...................................................................................................1-6-2

1-6-5 Remarks on scanner PWB replacement.................................................................................................1-6-3

Table of Contents