
2
2
2-2
2-2
Technology > Basic Configuration > Functional Configuration > Basic sequence
Technology > Basic Configuration > Functional Configuration > Basic sequence
Basic Configuration
Functional Configuration
The machine may broadly be divided into the following functional system blocks; document
exposure system block, controller system block, laser exposure system block, image
formation system block, fixing system block and pickup/feed system block.
Flow of paper
Flow of signal
Laser beam
Reader relay PCB
CIS
Exposure lamp
Document exposure system
Main
controller
DC
controller
Option
board
Controller system
Duplexing
feed
Delivery
Transfer
Pickup
Fixing
Fixing
system
Image
formation
system
Pickup/feed
system
Laser exposure system
Cassette 2
Cassette 1
Laser scanner unit
F-2-1
F-2-1
Basic sequence
Sequence at Power-On
Reader
Backwarding
Main power switch
ON
SREADY
STBY
Scanner motor
LED
CIS HP sensor
Shading
position
Shading
position
Forwarding
Print sequence
Reader (Book mode, 1 original)
Backwarding
Start key
ON
SCRW
SCFW
STBY
STBY
Scanner motor
LED
CIS HP sensor
Black shading/White shading
Leading edge
of original
Shading
position
Shading
position
Trailing edge
of original
Forwarding
Backwarding
Forwarding
Light-ON
ON
ON
■
●
•
●
•
F-2-2
F-2-2
F-2-3
F-2-3
Summary of Contents for imageRUNNER 2520
Page 1: ...9 8 7 6 5 4 3 2 1 imageRUNNER 2530 2525 2520 Series Service Manual ...
Page 4: ...Blank Page ...
Page 16: ...1 1 Product Overview Product Overview Product Lineup Feature Specifications Name of Parts ...
Page 111: ...3 3 Periodical Service Periodical Service Consumable Parts and Cleaning Parts ...
Page 159: ...5 5 Adjustment Adjustment Outline Adjustment when replacing parts Image position adjustment ...
Page 166: ...6 6 Troubleshooting Troubleshooting Upgrading Targets and Procedure ...
Page 171: ...7 7 Error Code Error Code Overview Error Code Jam Code Alarm Code ...
Page 186: ...8 8 Service Mode Service Mode Outline Details of Service Mode ...
Page 321: ...Service Tools General Circuit Diagram Appendix ...