05/2014
2-73
DC SC2020
Troubleshooting
CHAIN 61
Version 1.1
061-371 LPH Error
BSD-ON:CH6.4,CH6.5
Detected LPH Error.
Cause/Action
1. Try turning the Power Off/On several times and check to see if it reproduces.
2. Check the LPH color which the failure occurred, and the type of failure from the Error code. If the
color can be specified from the Error code, skip Step3 and proceed to Setp4.
3. If the LPH color which the failure occurred cannot be specified from the Error code, enter CE Mode
and run NVM[749-002]. Check the LPH color which the failure occurred.
•bit0: Y
•bit1: M
•bit2: C
•bit3: K
4. Check to see if there is any stain or contamination by foreign substances near LPH where the failure
is occurring.
5. Check to see if there is any poor connection between LPH and ESS PWB where failure is occurring.
6. Check the power supply (SLEEP+5VDC) up to LPH where the failure is occurring.
7. If no problem is found, replace the following parts in sequence:
•LPH (PL 2.1)
• Drum Cartridge (PL 8.1)
• FFC Cable (PL 2.1)
• ESS PWB (PL 18.2)
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