03/02
2.3 Level 2 Troubleshooting
WorkCentre Pro 423/428
2-29
CHAPTER 2 TROUBLESHOOTING
K Code
Internal
Code
Error Description
Corrective Action
K6-07
055A
Busy tone was detected
during dialing ( == ) .
BT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
055B
Congestion tone was
detected during dialing ( ==
). CT1 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
055C
Congestion tone was
detected during dialing ( ==
). CT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0561
Busy tone was detected
during dialing ( === ).
BT1 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0562
Busy tone was detected
during dialing ( === ).
BT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0563
Congestion tone was
detected during dialing ( ===
).
CT1 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0564
Congestion tone was
detected during dialing ( ===
).
CT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0569
Busy tone was detected after
dialing.
BT1 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
056A
Busy tone was detected after
dialing.
BT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K Code
Internal
Code
Error Description
Corrective Action
K6-07
056B
Congestion tone was
detected after dialing.
CT1 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
056C
Congestion tone was
detected after dialing.
CT2 detected.
Check switchboard. Connect line
properly. Change line setting.
Check/replace MAIN (modem) and
NCU.
K6-07
0575
Busy tone was detected
before dialing. ( PBX )
BT detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
0576
Congestion tone was
detected before dialing.
(PBX) CT detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
0579
Busy tone was detected after
dialing. (PBX)
BT detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
057A
Congestion tone was
detected after dialing. (PBX)
CT detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
057C
BT (Busy Tone) was
detected during calling an
answer telephone (of not-
built-in type). Remote
terminal released the line.
Check remote terminal. Change
line setting. Check/replace MAIN
(modem) and NCU.
K6-07
057E
Dial tone was detected after
detection of RBT (Ring back
tone) after dialing. DT1
detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
057F
Dial tone was detected after
detection of RBT (Ring back
tone) after dialing. DT2
detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
K6-07
0580
Dial tone was detected after
detection of RBT (Ring back
tone) after dialing. DT3
detected.
Connect line properly. Change line
setting. Check/replace MAIN
(modem) and NCU.
Summary of Contents for WorkCentre Pro 423
Page 2: ......
Page 3: ...WorkCentre Pro 423 428 6HUYLFH 0DQXDO...
Page 6: ......
Page 8: ......
Page 9: ...INTRODUCTION...
Page 10: ......
Page 24: ...WorkCentre 423 428 03 02 INTRODUCTION 14 7 Translation of Warnings...
Page 25: ...CHAPTER 1 SERVICE CALL PROCEDURE...
Page 26: ......
Page 28: ...WorkCentre Pro 423 428 1 2 CHAPTER 1 SERVICE CALL PROCEDURE 03 02 1 1 Trimming...
Page 31: ...CHAPTER 2 TROUBLESHOOTING...
Page 32: ......
Page 76: ...WorkCentre Pro 423 428 2 44 CHAPTER 2 TROUBLESHOOTING 03 02 2 3 Level 2 Troubleshooting...
Page 243: ...CHAPTER 3 IMAGE QUALITY TROUBLESHOOTING...
Page 244: ......
Page 273: ...CHAPTER 4 DISASSEMBLY ASSEMBLY AND ADJUSTMENT...
Page 274: ......
Page 329: ...CHAPTER 5 PARTS LIST...
Page 330: ......
Page 415: ...03 02 5 2 Parts List WorkCentre Pro 423 428 5 85 CHAPTER 5 PARTS LIST...
Page 416: ...CHAPTER 6 GENERAL...
Page 417: ......
Page 456: ...CHAPTER 7 ELECTRICAL WIRING DIAGRAMS...
Page 457: ......
Page 476: ...CHAPTER 8 ACCESSORIES...
Page 477: ......
Page 535: ...WorkCentre Pro 423 428 8 58 CHAPTER 8 ACCESSORIES 03 02 8 22 Stamp Kit Red...
Page 536: ...CHAPTER 9 BSD Block Schematic Diagram...
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