![](https://csdnimg.cn/release/download_crawler_static/13034736/bg14.jpg)
Figure 2-4 Service parts (cross section; printer base) ....................................................................................................... 58
Figure 2-5 Image formation (cross section; printer base) ................................................................................................. 59
Figure 2-6 Motor (cross section; printer base) ................................................................................................................... 60
Figure 2-7 Engine controller PCA connectors .................................................................................................................... 61
Figure 2-8 Formatter PCA (M101/M106) ............................................................................................................................ 62
Figure 2-9 Formatter PCA (M129/M134) ............................................................................................................................ 63
Figure 2-10 External plug and port locations (M101/M106) ............................................................................................. 64
Figure 2-11 External plug and port locations (M129/M134) ............................................................................................. 65
Figure 2-12 Main assemblies .............................................................................................................................................. 66
Figure 2-13 Main parts (printer base) ................................................................................................................................ 67
Figure 2-14 PCAs (printer base) ......................................................................................................................................... 67
Figure 2-15 General timing chart ....................................................................................................................................... 68
Figure 2-16 General circuit diagram ................................................................................................................................... 69
Figure 2-17 Sample configuration report .......................................................................................................................... 75
Figure 2-18 Print mode and optimize EWS page ............................................................................................................. 134
Figure 2-19 Repetitive image defect ruler ....................................................................................................................... 142
Figure 2-20 Examples of repetitive defects .................................................................................................................... 144
Figure 2-21 Place the ruler on the page .......................................................................................................................... 145
Figure 2-22 Locate the next repetitive defect ................................................................................................................. 145
Figure 2-23 Determine the defective assembly .............................................................................................................. 146
Figure 2-24 OPC short ...................................................................................................................................................... 147
Figure 2-25 White blotches .............................................................................................................................................. 148
Figure 2-26 OPC drum ghost ............................................................................................................................................ 149
Figure 2-27 Toner block contamination .......................................................................................................................... 150
Figure 2-28 Cartridge coupling (1 of 2) ............................................................................................................................ 151
Figure 2-29 Cartridge coupling (2 of 2) ............................................................................................................................ 152
Figure 2-30 Toner contamination .................................................................................................................................... 153
Figure 2-31 Vertical streaks ............................................................................................................................................. 154
Figure 2-34 Printer base jam sensors .............................................................................................................................. 170
Figure 2-35 Printer base jam sensors .............................................................................................................................. 181
Figure 2-36 Document feeder jam sensors ..................................................................................................................... 182
Figure A-1 Certificate of volatility M102/M103/M104/M106 (1 of 2) ............................................................................. 233
Figure A-2 Certificate of volatility M102/M103/M104/M106 (2 of 2) ............................................................................. 234
Figure A-3 Certificate of volatility M130/M131/M132/M134 base models (1 of 2) ....................................................... 235
Figure A-4 Certificate of volatility M130/M131/M132/M134 base models (2 of 2) ....................................................... 236
Figure A-5 Certificate of volatility M130//M131/M132/M134 models (1 of 2) .............................................................. 237
Figure A-6 Certificate of volatility M130//M131/M132/M134 models (2 of 2) .............................................................. 238
xviii ENWW