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
Содержание iR C2880 series
Страница 1: ...Aug 29 2006 Service Manual iR C3380 2880 Series ...
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Страница 23: ...Chapter 1 Introduction ...
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Страница 53: ...Chapter 2 Installation ...
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Страница 127: ...Chapter 3 Basic Operation ...
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Страница 137: ...Chapter 4 Main Controller ...
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Страница 161: ...Chapter 5 Original Exposure System ...
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Страница 188: ...Chapter 5 5 24 F 5 68 4 Remove the original sensor 2 hook 1 F 5 69 ...
Страница 189: ...Chapter 6 Laser Exposure ...
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Страница 207: ...Chapter 7 Image Formation ...
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Страница 257: ...Chapter 8 Pickup Feeding System ...
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Страница 303: ...Chapter 9 Fixing System ...
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Страница 321: ...Chapter 10 Externals and Controls ...
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Страница 336: ...Chapter 10 10 10 F 10 10 2 Remove the check mark from SNMP Status Enabled ...
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Страница 359: ...Chapter 11 MEAP ...
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Страница 401: ...Chapter 12 RDS ...
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Страница 411: ...Chapter 13 Maintenance and Inspection ...
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Страница 416: ...Chapter 13 13 2 F 13 1 8 9 1 2 3 3 5 6 7 10 11 12 13 14 4 ...
Страница 421: ...Chapter 14 Standards and Adjustments ...
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Страница 431: ...Chapter 15 Correcting Faulty Images ...
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Страница 459: ...Chapter 16 Self Diagnosis ...
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Страница 481: ...Chapter 17 Service Mode ...
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Страница 571: ...Chapter 18 Upgrading ...
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Страница 603: ...Chapter 19 Service Tools ...
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Страница 605: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools 19 1 19 1 2 Solvents and Oils 19 2 ...
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Страница 609: ...Aug 29 2006 ...
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