Ricoh MP C3004 - Page 37

Reading system...............................................................................................................................1194
Scanner...........................................................................................................................................1195
Mechanism..............................................................................................................................................1195
Scanner drive................................................................................................................................. 1195
Operation Flowchart......................................................................................................................1197
Scanner carriage storage control.................................................................................................1198
Document size detection................................................................................................................1198
Improved tolerance to black lines when paper passes through ARDF/SPDF...........................1201
Difference between Non-contact Transport and Contact Transport in DF Scanning...............1204
Anti-Condensation Heater.............................................................................................................1205
Image Processing........................................................................................................................................ 1206
Changes from the Previous Machine.................................................................................................... 1206
Structural Block Diagram....................................................................................................................... 1207
Mechanism..............................................................................................................................................1209
SBU..................................................................................................................................................1209
IPU................................................................................................................................................... 1209
Laser Exposure.............................................................................................................................................1212
Changes from the Previous Machine.................................................................................................... 1212
Overview................................................................................................................................................. 1212
Parts Construction...........................................................................................................................1213
Mechanism..............................................................................................................................................1214
LD Drive Board............................................................................................................................... 1214
LD Safety Switch.............................................................................................................................1215
Circuit Diagram.............................................................................................................................. 1215
Line Scanning Mechanism.............................................................................................................1216
Process Control............................................................................................................................................1218
Changes from the Previous Machine.................................................................................................... 1218
Mechanism..............................................................................................................................................1218
Sensor Construction....................................................................................................................... 1218
Outline of the ID Sensors............................................................................................................... 1218
Outline of the TD sensor.................................................................................................................1219
Process Control....................................................................................................................................... 1219
Outline.............................................................................................................................................1219
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