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FrameMaker Ver.5.5E(PC) Di350 GENERAL, MECHANICAL/ELECTRICAL
98.12.18

Di350
MECHANICAL/
ELECTRICAL
FrameMaker Ver.5.5E(PC) Di350 GENERAL, MECHANICAL/ELECTRICAL
98.12.18

CONTENTS
1. CROSS-SECTIONAL VIEW ............................................................................ M-1
2. COPYING PROCESS ...................................................................................... M-2
3. DRIVE SYSTEM .............................................................................................. M-4
4. OPERATING SEQUENCE .............................................................................. M-5
5. CPU OVERRUN MONITOR FUNCTION ......................................................... M-8
6. IMAGE STABILIZATION SYSTEM .................................................................. M-9
7. IMAGING CARTRIDGE (I/C) ........................................................................... M-10
7-1. I/C Drive Mechanism ............................................................................... M-11
7-2. Identification and Life of I/C ..................................................................... M-11
8. PC DRUM ........................................................................................................ M-12
9. DRUM CHARGING .......................................................................................... M-13
10. ERASE LAMP .................................................................................................. M-14
11. IR SECTION .................................................................................................... M-15
11-1. Exposure Section: Construction and Function ....................................... M-16
11-2. Image Processing Flow .......................................................................... M-17
11-3. Original Size Detection ........................................................................... M-18
11-4. Original Size Detection Timing ............................................................... M-20
11-5. Scanner and 2nd/3rd Mirrors Carriage Moving Mechanism ................... M-21
12. PH SECTION ................................................................................................... M-22
12-1. PH Components ..................................................................................... M-23
12-2. Laser Emission Timing (SOS Signal) ..................................................... M-24
13. DEVELOPING UNIT ........................................................................................ M-25
13-1. Sleeve/Magnet Roller ............................................................................. M-26
13-2. Developing Bias ...................................................................................... M-27
13-3. ATDC Sensor ......................................................................................... M-28
13-4. Sub Hopper Toner Replenishing Mechanism ......................................... M-29
13-5. Sub Hopper Toner Empty Detecting Mechanism ................................... M-30
13-6. Main Hopper Toner Replenishing Mechanism ....................................... M-31
13-7. I/C Cooling Fan Motor ............................................................................ M-32
13-8. Ozone Fan Motor .................................................................................... M-32
14. PAPER TAKE-UP/FEED SECTION ................................................................ M-33
14-1. MP Cassette Paper Lifting Plate ............................................................. M-33
14-2. MP Cassette-in-Position Detection ......................................................... M-34
14-3. MP Cassette Paper Empty Detection ..................................................... M-35
14-4. MP Cassette Paper Size Detection ........................................................ M-36
14-5. Paper Take-Up Mechanism .................................................................... M-37
14-6. Manual Bypass Tray ............................................................................... M-37
14-7. Paper Take-Up Retry Mechanism .......................................................... M-38
15. SYNCHRONIZING ROLLERS ......................................................................... M-39
15-1. Synchronizing Roller Drive Mechanism/Control ..................................... M-39
15-2. Paper Dust Remover .............................................................................. M-40
16. IMAGE TRANSFER AND PAPER SEPARATION ........................................... M-41
17. PC DRUM PAPER SEPARATOR FINGERS ................................................... M-42
18. PC DRUM CLEANING ..................................................................................... M-43

i
FrameMaker Ver.5.5E(PC) Di350 GENERAL, MECHANICAL/ELECTRICAL
98.12.18

19. FUSING UNIT .................................................................................................. M-44
19-1. Drive Mechanism .................................................................................... M-45
19-2. Fusing Rollers Pressure Mechanism ...................................................... M-45
19-3. Fusing Temperature Control ................................................................... M-46
19-4. CPM Control ........................................................................................... M-47
20. PAPER EXIT UNIT .......................................................................................... M-48
21. FUSING COOLING FAN MOTOR ................................................................... M-49
22. POWER UNIT COOLING FAN MOTOR .......................................................... M-50

ii
FrameMaker Ver.5.5E(PC) Di350 GENERAL, MECHANICAL/ELECTRICAL
98.12.18

1171SBM0100A

1 CROSS-SECTIONAL VIEW

1 2 3 4 5 6 7 8 9

10

26

11
12
13
14
15
16
17
18
19

20

21
22

1171M037AA
25 24 23

1. 2nd Mirror 15. Fusing Cooling Fan Motor (M3)
2. 3rd Mirror 16. Duplex Unit Transport Roller 2
3. Exposure Lamp 17. Image Transfer Roller
4. 1st Mirror 18. Synchronizing Roller
5. Lens 19. Synchronizing Roller Sensor (PC2)
6. CCD Unit 20. Manual Feed Paper Take-Up Sensor
7. Paper Exit Roller (PC8)
8. Fusing Roller Thermostat (TS1) 21. Manual Feed Paper Take-Up Roll
9. Fusing Roller Heater Lamp (H1) 22. Vertical Transport Roller
10. Paper Exit Sensor (PC3) 23. Paper Separator Pad
11. Right Fusing Roller 24. Paper Take-Up Roll
12. Duplex Unit Transport Roller 1 25. Imaging Cartridge (I/C)
13. Left Fusing Roller 26. PH Unit
14. Duplex Unit Transport Sensor (PI1)

M-1
FrameMaker Ver.5.5E(PC) Di350 GENERAL, MECHANICAL/ELECTRICAL
98.12.18

1171SBM0200A

2 COPYING PROCESS

15. Paper Exit 14. Fusing
3. Photoelectric Conversion
Section 12. Cleaning
11. Duplex Unit
13. Erase
4. HGB Board
2. Drum Charging
10. Paper Separation
5. MFB Board 6. Laser Exposure 1. PC Drum
9. Image Transfer

7. Development
8. Paper Feed
8. Paper Feed

1. PC Drum