Ricoh DD5450 Field Service Manual page 100

(3) Drum Removal Button / Paper Eject Switch LED
...........................................................
(4) Paper Eject Switch
(5) Main Motor Control
3. Rotational speed control (Encoder sensor)
...................................................
................................
5 Press Section
................................
1. Description
(1) Press Roller Timing & Printing
2. Functions of Parts
(1) Press Roller Sensor
(2) Switching the Contact Pressure
1. Contact Pressure Detection
6 Paper Ejection Section
................................
1. Description
2. Functions of Parts
(1) Paper Stripper Finger
.................................
(2) Top Fan
(3) Print Tray Fan
(4) Paper Eject Jam Sensor
1. Paper Jam Detection Timing
(5) Paper Ejection Belt
(6) Paper Eject Fan
.................................
7 Drum Section
................................
1. Description
.......................................
2. Circuit
3. Functions of Parts
...........................
(1) Ink Detection
(2) Ink Roller Up/Down Mechanism
................................
(3) Ink Pump
...........................
(4) Drum Switch
(5) Fine Start Mode
(6) Front Cover Sensor
98
....................
143
...................
144
144
145
145
.....
145
.......................
147
..................
147
....
148
.......
149
.....................
150
150
.......................
151
................
151
152
..........................
154
.............
155
......
156
...................
157
.......................
157
158
158
159
.......................
160
160
....
162
164
165
.......................
166
...................
167
142