Chapter 7
7-1
7.1 Construction
7.1.1 Specifications, Control Mechanisms, and Functions
0013-9519
/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
The main specifications, controls and functions of the image formation system are as described below.
T-7-1
T-7-2
T-7-3
T-7-4
T-7-5
T-7-6
T-7-7
T-7-8
T-7-9
Drum unit
Photosensitive drum
(D-UNIT) spec.
Drum type
OPC drum
Drum diameter
30.6 mm
Cleaning construction
Cleaning blade
Transfer toner volume control is applied and residual transfer toner is
collected by the developing unit.
Process speed
Full speed
143mm/ sec.
Half speed
71.5mm/ sec.
1/4 speed
35.8mm/ sec.
Developing unit block
Developing cylinder diameter
13.6 mm
Developing system
Dry type two components
Toner
Non-magnetic negative toner
Remaining toner detection inside cylinder
ATR sensor (magnetic sensor, inside hopper)
Starter
Included in D-UNIT
Primary charger block
Charging system
Roller contact charging
Charging roller diameter
14 mm
Cleaning mechanism
None
Items managed by built-in memory
No built-in memory
New product detection resistor only
Primary transfer block
Charging system
Roller contact charging
Charging roller diameter
16.1 mm crown shaped
Cleaning mechanism
None
Toner vessel spec
Toner refill volume
Y : 260g
M : 260g
C : 260g
B : 575g
Toner low warning
Toner low warning at approx. 10% remaining (variable in service mode)
Intermediate transfer unit spec
ITB (Intermediate Transfer Belt)
Seamless
Belt drive
Gear drive from drum ITB motor (M1)
Feed speed
Refer to process speed
Cleaning mechanism
- Cleaning blade
- Half-tone printing cleaning
Secondary transfer
Charging system
Roller contact charging
Charging roller diameter
24.7 mm
Cleaning mechanism
Reverse bias
Image stabilisation control
ATVC control
Transfer assurance
ATR control
Toner density (refill quantity) correction
Drum film pressure detection Charging voltage control
Automatic gradation
correction:Full control
Gradation correction
Automatic gradation
correction:Quick control
Gradation correction
ARCDAT control
Decides optimum gradation table
Summary of Contents for iR C3380 series
Page 1: ...Aug 29 2006 Service Manual iR C3380 2880 Series...
Page 2: ......
Page 6: ......
Page 23: ...Chapter 1 Introduction...
Page 24: ......
Page 26: ......
Page 52: ......
Page 53: ...Chapter 2 Installation...
Page 54: ......
Page 127: ...Chapter 3 Basic Operation...
Page 128: ......
Page 130: ......
Page 136: ......
Page 137: ...Chapter 4 Main Controller...
Page 138: ......
Page 160: ......
Page 161: ...Chapter 5 Original Exposure System...
Page 162: ......
Page 188: ...Chapter 5 5 24 F 5 68 4 Remove the original sensor 2 hook 1 F 5 69...
Page 189: ...Chapter 6 Laser Exposure...
Page 190: ......
Page 192: ......
Page 206: ......
Page 207: ...Chapter 7 Image Formation...
Page 208: ......
Page 256: ......
Page 257: ...Chapter 8 Pickup Feeding System...
Page 258: ......
Page 262: ......
Page 303: ...Chapter 9 Fixing System...
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Page 306: ......
Page 321: ...Chapter 10 Externals and Controls...
Page 322: ......
Page 326: ......
Page 336: ...Chapter 10 10 10 F 10 10 2 Remove the check mark from SNMP Status Enabled...
Page 337: ...Chapter 10 10 11 F 10 11...
Page 359: ...Chapter 11 MEAP...
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Page 362: ......
Page 401: ...Chapter 12 RDS...
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Page 404: ......
Page 411: ...Chapter 13 Maintenance and Inspection...
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Page 416: ...Chapter 13 13 2 F 13 1 8 9 1 2 3 3 5 6 7 10 11 12 13 14 4...
Page 421: ...Chapter 14 Standards and Adjustments...
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Page 424: ......
Page 431: ...Chapter 15 Correcting Faulty Images...
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Page 459: ...Chapter 16 Self Diagnosis...
Page 460: ......
Page 462: ......
Page 481: ...Chapter 17 Service Mode...
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Page 484: ......
Page 571: ...Chapter 18 Upgrading...
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Page 603: ...Chapter 19 Service Tools...
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Page 609: ...Aug 29 2006...
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