05/2014
2-23
DC SC2020
Troubleshooting
CHAIN 10
Version 1.1
• The Drawer Connector between the Fusing Unit and the Main Unit (DP/DJ600) for broken/bent
pins, foreign substances, burns, and etc.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600 and LVPS P2.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600S and DRIVE
PWB J414.
3. If no problem is found, replace the following parts in sequence:
• Fusing Unit (PL 7.1)
• LVPS (PL 18.3)
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
4. After replacing the Fusing Unit, enter CE Mode, go to Printer Diag > Parameter > Life > Fusing Unit
Print Count / Fusing Unit Time Count and initialize the Life Counters.
010-397 (08h) Heat Roll NC Sensor Differential Amp Fail
BSD-ON:CH10.3
Malfunction of temperature monitor AD value of Fusing Unit NC Sensor was detected for 10 consecutive
times.
NOTE: . To release this Fail, clear NVM[759-123] (Differential Amplifier Detection History) [0] after
removing the cause and turn the Power Off/On.
Cause/Action
1. Clear the history at the NVM then turn the power OFF and ON.
2. Turn OFF the power and check the following:
• The Fusing Unit for improper installation
• The Drawer Connector between the Fusing Unit and the Main Unit (DP/DJ600S) for broken/
bent pins, foreign substances, burns, and etc.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600S and DRIVE
PWB P414.
3. If no problem is found, replace the following parts in sequence:
• Fusing Unit (PL 7.1)
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
4. After replacing the Fusing Unit, enter CE Mode, go to Printer Diag > Parameter > Life > Fusing Unit
Print Count / Fusing Unit Time Count and initialize the Life Counters.
010-397 (09h) Fusing Unit Hot Not Ready Return Time Fail
BSD-ON:CH10.3,CH10.2
The time taken to recover from High Temperature Not Ready state has exceeded the specified time.
Cause/Action
1. Turn the power OFF and ON.
2. Turn OFF the power and check the following:
• The Fusing Unit for improper installation
• The Drawer Connector between the Fusing Unit and the Main Unit (DP/DJ600) for broken/bent
pins, foreign substances, burns, and etc.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600 and LVPS P2.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600S and DRIVE
PWB J414.
3. If no problem is found, replace the following parts in sequence:
• Fusing Unit (PL 7.1)
• LVPS (PL 18.3)
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
4. After replacing the Fusing Unit, enter CE Mode, go to Printer Diag > Parameter > Life > Fusing Unit
Print Count / Fusing Unit Time Count and initialize the Life Counters.
010-397 (0Ah) Heat Roll NC Sensor Broken Fail
BSD-ON:CH10.3
• (Fusing Unit NC Sensor temperature- Fusing Unit Thermistor temperature) was 90 (NVM) degrees
or more for more than 10 consecutive times.
• (Fusing Unit Thermistor temperature- Fusing Unit NC Sensor temperature) was 70 (NVM) degrees
or more for more than 10 consecutive times.
Cause/Action
1. Turn the power OFF and ON.
2. Turn OFF the power and check the following:
• The Fusing Unit for improper installation
• The Drawer Connector between the Fusing Unit and the Main Unit (DP/DJ600) for broken/bent
pins, foreign substances, burns, and etc.
• Disconnection, shortage or contact failure of wire between Fusing Unit DJ600S and DRIVE
PWB P414.
3. If no problem is found, replace the following parts in sequence:
• Fusing Unit (PL 7.1)
• DRIVE PWB (PL 18.2)
• ESS PWB (PL 18.2)
4. After replacing the Fusing Unit, enter CE Mode, go to Printer Diag > Parameter > Life > Fusing Unit
Print Count / Fusing Unit Time Count and initialize the Life Counters.
010-397 (0Bh) Heat Roll NC Sensor Broken Fail
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