Ricoh M0A0 Service Manual page 20

7. Detailed Descriptions ............................................................................................................................................ 309
Overview ................................................................................................................................................................... 309
Mechanical Component Layout ............................................................................................................................ 309
Drive Layout .......................................................................................................................................................... 310
Tray Layout and Paper Path .................................................................................................................................. 311
Guidance for Those Who Are Familiar with Predecessor Products ....................................................................... 311
LED Unit ..................................................................................................................................................................... 312
General Descriptions............................................................................................................................................. 312
Mechanisms .......................................................................................................................................................... 313
Toner Cartridge, PCDU (Photo Conductor Development Unit) ................................................................................. 316
Mechanism ............................................................................................................................................................ 316
Toner Cartridge ..................................................................................................................................................... 317
PCDU .................................................................................................................................................................... 319
Related SPs ............................................................................................................................................................ 323
Image Transfer and Paper Separation ...................................................................................................................... 324
Overview ............................................................................................................................................................... 324
Details ................................................................................................................................................................... 324
Related SPs ............................................................................................................................................................ 325
Paper Feed ................................................................................................................................................................ 326
Overview ............................................................................................................................................................... 326
Mechanism ............................................................................................................................................................ 326
Image Fusing ............................................................................................................................................................. 333
Overview ............................................................................................................................................................... 333
Details ................................................................................................................................................................... 333
Related SPs ............................................................................................................................................................ 337
Paper Exit/ Duplex Unit ............................................................................................................................................ 338
Overview ............................................................................................................................................................... 338
Details ................................................................................................................................................................... 338
Electrical Parts ............................................................................................................................................................ 340
Block Diagram ...................................................................................................................................................... 340
Board Outline ........................................................................................................................................................ 340
SPDF .......................................................................................................................................................................... 342
Overview ............................................................................................................................................................... 342
Mechanism ............................................................................................................................................................ 343
Scanner ..................................................................................................................................................................... 347
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