Текст страницы
Table of Contents
Chapter 1 Theory of Operation and Product Structure ..........................................................1
1.1 Product Overview .................................................................................................................................. 1
1.1.1
Paper pickup and feeding system ............................................................................... 1
1.1.2
Paper pickup and feeding system including 3 areas................................................. 2
1.1.3
Duplex Unit .................................................................................................................... 2
1.1.4
Parts and its functions.................................................................................................. 3
1.1.5
PCBA Connection Drawing .......................................................................................... 4
1.1.6
Location of Sensors...................................................................................................... 5
1.1.7
The Printing Process .................................................................................................... 5
1.2 Troubleshooting of Error Codes .......................................................................................................... 9
1.2.1
Preparation .................................................................................................................... 9
1.2.2
Error Causes and Solution......................................................................................... 11
1.3 Troubleshooting of Image Problems ................................................................................................. 23
1.3.1
Illustration of Image Problems................................................................................... 23
1.3.2
Troubleshooting of Image Defect .............................................................................. 24
1.3.3
Electrode on the Device.............................................................................................. 36
1.3.4
Electrode on the drum unit......................................................................................... 36
Chapter 2 Disassembling and Reassembling.........................................................................37
2.1 Preparation........................................................................................................................................... 37
2.2 Disassembling Tools........................................................................................................................... 38
2.2.1
Maintenance Tool List................................................................................................. 38
Screw Category ......................................................................................................................38
2.2.2
Tighting torque List..................................................................................................... 39
2.2.3
Lubricants.................................................................................................................... 40
2.3 Disconnecting Cables Before Disassembling................................................................................... 41
2.4 Basic Disassembling........................................................................................................................... 42
2.4.1
Paper Tray.................................................................................................................... 42
2.4.2
Front Cover.................................................................................................................. 42
2.4.3
Left Cover..................................................................................................................... 43
2.4.4
Right Cover.................................................................................................................. 44
2.4.5
Top Cover..................................................................................................................... 44
2.4.6
Duplex Unit .................................................................................................................. 45
2.4.7
Drum Unit..................................................................................................................... 46
2.5 Advanced Disassembling ................................................................................................................... 46
2.5.1
Fuser.............................................................................................................................46
2.5.2
Control Panel............................................................................................................... 47
2.5.3
IF98 Board.................................................................................................................... 48
2.5.4
IFA99 Board ................................................................................................................. 49
2.5.5
Main Board................................................................................................................... 50
2.5.6
Power Supply Board ................................................................................................... 51
2.5.7
Exit Path....................................................................................................................... 52
2.5.8
Exit Sensor................................................................................................................... 52
2.5.9
Registration Sensor .................................................................................................... 53
2.5.10
Deskew Sensor............................................................................................................ 54
2.5.11
Paper-in Sensor........................................................................................................... 54
2.5.12
Front Cover Open Sensor........................................................................................... 55
2.5.13
Rear Cover Open Sensor............................................................................................ 56
2.5.14
Fuser Out Sensor ........................................................................................................ 57
2.5.15
Fuser Out Sensor Lever.............................................................................................. 58
2.5.16
Paper-in Sensor (Manual Tray) .................................................................................. 58
2.5.17
Puser-Out Path ............................................................................................................ 59
2.5.18
Duplex Sensor ............................................................................................................. 59
2.5.19
Paper-Empty Sensor................................................................................................... 61
2.5.20
Main Motor ................................................................................................................... 61
Confidential
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