Construction; Specifications, Control Mechanisms, And Functions - Canon iR C3380 series Service Manual

7.1 Construction

7.1.1 Specifications, Control Mechanisms, and Functions

/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
The main specifications, controls and functions of the image formation system are as described below.
Drum unit
(D-UNIT) spec.
Developing unit block
Developing cylinder diameter
Developing system
Toner
Remaining toner detection inside cylinder
Starter
Primary charger block
Charging system
Charging roller diameter
Cleaning mechanism
Items managed by built-in memory
Primary transfer block
Charging system
Charging roller diameter
Cleaning mechanism
Toner vessel spec
Intermediate transfer unit spec
Secondary transfer
Charging system
Charging roller diameter
Cleaning mechanism
Image stabilisation control
T-7-1
Photosensitive drum
Drum type
Drum diameter
Cleaning construction
Process speed
T-7-2
13.6 mm
Dry type two components
Non-magnetic negative toner
ATR sensor (magnetic sensor, inside hopper)
Included in D-UNIT
T-7-3
Roller contact charging
14 mm
None
T-7-4
No built-in memory
New product detection resistor only
T-7-5
Roller contact charging
16.1 mm crown shaped
None
T-7-6
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)
T-7-7
ITB (Intermediate Transfer Belt)
Belt drive
Feed speed
Cleaning mechanism
T-7-8
Roller contact charging
24.7 mm
Reverse bias
T-7-9
ATVC control Transfer assurance
ATR control Toner density (refill quantity) correction
Drum film pressure detection Charging voltage control
Automatic gradation Gradation correction
correction:Full control
Automatic gradation Gradation correction
correction:Quick control
ARCDAT control Decides optimum gradation table
OPC drum
30.6 mm
Cleaning blade
Transfer toner volume control is applied and residual transfer toner is
collected by the developing unit.
Full speed 143mm/ sec.
Half speed 71.5mm/ sec.
1/4 speed 35.8mm/ sec.
Seamless
Gear drive from drum ITB motor (M1)
Refer to process speed
- Cleaning blade
- Half-tone printing cleaning
Chapter 7
0013-9519
7-1