41057610TH Rev. 1
3 /
CONTENTS
1. SPECIFICATIONS ............................................................................................ 6
1.1 Basic System Configuration ............................................................................................. 6
1.2 Printer Specifications ....................................................................................................... 7
1.3 Option Specifications ....................................................................................................... 8
1.4 Basic Specifications ....................................................................................................... . 9
2. OPERATION ................................................................................................... 12
2.1 Main Control Board (PCE PCB) .................................................................................... 13
2.2 Engine Control Board (PX4 PCB) .................................................................................. 16
2.3 Power/Units .................................................................................................................... 17
2.4 Mechanical Processes ................................................................................................... 18
2.4.1 Electrophotographic processing mechanism .................................................... 19
2.4.2 Paper running process ..................................................................................... 25
2.5 Sensors .......................................................................................................................... 34
2.5.1 Paper related sensors ...................................................................................... 34
2.5.2 Other sensors ................................................................................................... 35
2.6 Correction of Color Deviation ......................................................................................... 36
2.7 Transfer Control according to Environmental Changes
(Room Temperatures and Relative Humidities) ............................................................. 36
2.8 Form Jam Detection ....................................................................................................... 37
2.9 Cover Opening ............................................................................................................... 37
2.10 Toner Low Detection ...................................................................................................... 38
2.11 Page Size Detection ...................................................................................................... 39
2.12 Power-on Processing ..................................................................................................... 40
2.12.1 Self-diagnostic test ........................................................................................... 40
3. PARTS REPLACEMENT ................................................................................ 41
3.1 Precautions for Parts Replacement ............................................................................... 41
3.2 Parts Layout ................................................................................................................... 43
3.3 How to Change Parts ..................................................................................................... 47
3.3.1 Cover Assy Rear .............................................................................................. 48
3.3.2 Motor-Fan (80-25) ............................................................................................ 49
3.3.3 Paper Eject Assy .............................................................................................. 50
3.3.4 Cover Assy Stacker, Guide Eject FD Assy ....................................................... 51
3.3.5 Frame Assy Upper ............................................................................................ 52
3.3.6 Plate Support Assy ........................................................................................... 53
3.3.7 Limiter 2way (L), (R) / Plate Guide (L) , (R) ...................................................... 54
3.3.8 Cover 55
3.3.9 PCB Assy : PCE ............................................................................................... 56
3.3.10 Motor Fan (CU) ................................................................................................. 57
3.3.11 PXF PCB/PX4 PCB .......................................................................................... 58
3.3.12 Gear Heat Assy ................................................................................................ 59
3.3.13 Main Motor (A), (B) Assy .................................................................................. 60
3.3.14 Gear One-way (Z30) ......................................................................................... 61
3.3.15 Motor Assy BT .................................................................................................. 62
3.3.16 Power Supply Unit, Holder Inlet, Sheet Insulation ............................................ 63
3.3.17 Sensor Assy Box Toner .................................................................................... 64
3.3.18 Square-shaped Connector ............................................................................... 65
3.3.19 Hopping Motor .................................................................................................. 66
3.3.20 Gear One-way .................................................................................................. 67
3.3.21 Feeder Unit Front ............................................................................................. 68
3.3.22 Manual Feed Hopper Assy ............................................................................... 69
3.3.23 Guide Paper Input Assy .................................................................................... 70
3.3.24 Two Lever Input Sensors, Lever 2nd Feed Sensor .......................................... 71
3.3.25 Roller Registration, Roller Assy Hopping ......................................................... 72
Содержание OKICOLOR 8
Страница 2: ...OKICOLOR 8 Color LED Page Printer Maintenance Manual 1999 7 14 Rev 1...
Страница 12: ...41057610TH Rev 1 11 This page intentionally left blank...
Страница 44: ...41057610TH Rev 1 43 Figure 3 1 3 2 Parts Layout...
Страница 45: ...41057610TH Rev 1 44 Figure 3 2...
Страница 46: ...41057610TH Rev 1 45 Figure 3 3...
Страница 47: ...41057610TH Rev 1 46 Figure 3 4...
Страница 105: ...41057610TH Rev 1 104 olor check pattern...
Страница 153: ...41057610TH Rev 1 152 5 PXF PCB OPTION PENDTNR TONER UPDOWN B1 A1 B15 A15 8 1 8 1 FSENS JODEN 14 1 1 12 PXFIF...
Страница 154: ...41057610TH Rev 1 153 8 Parts List Fig 8 1 4 1 5 L J 8 9 0 A H B N N M D E C G F I 7 K 3 2 P P 6 O...
Страница 156: ...41057610TH Rev 1 155 Fig 8 2 2 1 O 3 N C 0 9 Q 6 M J 8 7 8 S H E 7 K G 4 P D R L B A F T 5...
Страница 161: ...41057610TH Rev 1 160 Fig 8 4 1 6 6 6 6 5 7 4 2 2 K 2 2 3 C E 0 I C A H H H H B C F J J D G 3 3 3 8 9 9 9...
Страница 166: ...41057610TH Rev 1 165 Fig 8 6 H B E F 2 J 4 4 I 3 3 6 9 8 7 G C D A 0 5 1 5...
Страница 168: ...41057610TH Rev 1 167 Fig 8 7 1 2 5 6 3 4...
Страница 170: ...41057610TH Rev 1 169 Fig 8 8 7 7 5 A 5 6 6 3 3 4 4 0 9 1 8 2...
Страница 172: ...41057610TH Rev 1 171 Fig 8 9 7 6 6 5 5 4 1 8 8 2 3 4 3 7...
Страница 196: ...41057610TH Rev 1 195 SEN1 CN22 CN23 CN24 5 2 PCB Layout AOLT PCB...
Страница 197: ...41057610TH Rev 1 196 6 PARTS LIST 4 D 9 3 B 6 C A E F 2 J I L 0 1 K G G G 5 7 H 9 8...
