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1.SC Codes
177
Major Cause
Heating roller thermistor (rear) (SEN9) is defective.
AC control board is defective.
IOB is defective.
Harness between the AC control board and IOB is defective.
Solution
* If fusing SC occurs during inspection, execute "Fusing SC Reset" (SP5-810-001) in SP mode every
time SC occurs, and then turn the main power OFF and ON.
1. Replace the harness (as well as the thermistor).
2. Replace the AC control board.
3. Replace the IOB.
4. Replace the harness between the AC control board and IOB.
SC568-00
Error Name
Hardware High Temperature Detection (Sensor 4)
Pattern
A
Error Condition
Heating Roller Rear: T44
Abnormal high temperature above 270°C is detected from the sensor.
(It is not detected when the fusing lamp relay is disconnected.)
Major Cause
AC control board is defective (loading triac defective).
IOB defective (fusing unit control going out of control).
Heating roller thermistor (rear) (SEN9) defective.
Solution
* Execute "Fusing SC Reset" (SP5-810-001) in SP mode every time you replace components, and then
turn the main power OFF and ON.
Be careful not to bend the pins of the connector.
1. Replace the AC control board.
2. Replace the IOB.
3. Replace the heating roller thermistor (rear) (SEN9).
Summary of Contents for Pro 8300S
Page 2: ......
Page 8: ......
Page 653: ...2 Image Quality Problems 645 of paper Solution ...
Page 654: ...2 Image Quality Problems 646 ...
Page 740: ...3 Paper Delivery Problems 732 Flowchart for a folded corner correction ...
Page 846: ...4 Troubleshooting for Peripheral Units 838 Solution ...
Page 849: ...4 Troubleshooting for Peripheral Units 841 ...
Page 885: ...5 Other Information 877 Registration Unit Rollers View B Top ...
Page 886: ...5 Other Information 878 Registration Unit Guide Plate View B Top ...
Page 888: ...5 Other Information 880 ITB Cleaning Unit Bottom ...
Page 889: ...5 Other Information 881 PTR Unit ...
Page 890: ...5 Other Information 882 PTB Unit ...
Page 892: ...5 Other Information 884 Fusing Exit Guide Plate Lower ...
Page 893: ...5 Other Information 885 Fusing Exit Guide Plate Upper ...
Page 895: ...5 Other Information 887 Straight Through Exit 1 View A Top ...
Page 896: ...5 Other Information 888 Straight Through Exit 2 View A Top ...
Page 897: ...5 Other Information 889 Rollers View A Top Invert Exit View B Left ...
Page 898: ...5 Other Information 890 Duplex 1 View A Top Duplex 2 View A Top ...
Page 901: ...5 Other Information 893 ...
Page 904: ...5 Other Information 896 Rib Position Vertical Transport Unit ...
Page 905: ...5 Other Information 897 ...
Page 908: ...5 Other Information 900 Paper Transport Movable Guide Ribs and Rollers Left View ...
Page 909: ...5 Other Information 901 Paper Transport Tray 5 Transport Fixed Guide Ribs Left View ...
Page 911: ...5 Other Information 903 ...
Page 912: ...5 Other Information 904 ...
Page 913: ...5 Other Information 905 Vacuum Feed LCIT Transport Path General Layout T1 T2 ...
Page 915: ...5 Other Information 907 Vertical Transport Right ...
Page 916: ...5 Other Information 908 Vacuum Feed LCIT Bridge Unit No Name A Upper Side B Bottom Upper Side ...
Page 925: ...5 Other Information 917 Driven Roller Drive Roller Rib Position ...
Page 927: ...5 Other Information 919 Driven Roller Drive Roller Rib Position Driven Rib Drive Rib ...
Page 931: ...5 Other Information 923 Driven Roller Drive Roller Rib Position Driven Rib Drive Rib ...
Page 934: ...5 Other Information 926 Driven Roller Drive Roller Rib Position Driven Rib Drive Rib ...
Page 937: ...5 Other Information 929 H Booklet Shift Roller I Fold Roller J Fold Exit Roller ...
Page 939: ...5 Other Information 931 Booklet Upper Guide Plate Booklet Lower Guide Plate ...
Page 940: ...5 Other Information 932 ...
Page 958: ...5 Other Information 950 Drive Roller ...
Page 960: ...5 Other Information 952 ...
Page 962: ...5 Other Information 954 Horizontal Transport Path Bead Position ...
Page 963: ...5 Other Information 955 ...