Konica Minolta 0902, Service Manual

Page: 31 / 302

Chapter 2 Before the Repair
2-11
2.5 Position of Major Components
Position and function of the major components of each unit is described here.
2.5.1 Insertion Unit
No. Name Function Reference on replacement
method
1 Insert slot detection
sensor 2 Detects the insertion of the cassette.
It is turned ON when the cassette
(except 15 x 30 cm) is inserted. "5.3.7 Replacing the Insertion
Slot Detection Sensors (LLB)
(Page 5-28)"
"5.3.8 Replacing the Insertion
Slot Detection Sensors (LPB)
(Page 5-30)"
2 Insert slot detection
sensor 1 Detects the insertion of the
cassette. It goes ON when the
cassette (all sizes) is inserted.
3 Barcode reader Reads the barcode label on the
cassette. "5.3.5 Replacing the Barcode
Reader (Page 5-25)"
4 Back plate drop
detection
sensor Detects the presence of the back plate
during insert/eject of the cassette. It is
OFF when there is no back plate. "5.3.6 Replacing the Back Plate
Drop Detection Sensor (Page 5-
27)"
5 Eraser cooling fan Intakes air to cool the eraser unit. "5.3.3 Replacing the Eraser
Cooling Fan (Page 5-23)"
6 Operation panel Constructed of switches, display
window, and speaker. "5.3.1 Replacing the Operation Unit
(Operation Panel) (Page 5-19)"
7 Status lamp Displays mostly the process status
of the cassette. "5.3.4 Replacing the Indicator
(Page 5-24)"
8 Shutter It is normally closed, preventing any
foreign object to fall in, and opens only
during the insert/eject of the cassette. "5.3.12 Replacing the Shutter
Unit (Page 5-38)"
9 ShutterMotor Open and close the shutter. "5.3.11 Replacing the Shutter
Motor (Page 5-37)"
10 Shutter open detection
sensor It goes ON when the shutter is
open. "5.3.9 Replacing the Shutter Open
Detection Sensor (Page 5-33)"
11 Shutter close detection
sensor It goes ON when the shutter is
closed. "5.3.10 Replacing the Shutter Close
Detection Sensor (Page 5-35)"
6 5
8
1
7
9
11
10
3
4
2