Fip1.42 Electrical Noise - Oki B6500 Troubleshooting Manual

FIP1.42 Electrical Noise

Step
Possible causes:
HVPS/MCU (PL12.1.19)
GUIDE ASSY CRU R (PL8.1.25)
FUSER ASSY (PL8.1.20)
EP CARTRIDGE
HARNESS ASSY ANT (PL8.1.24)
HARNESS ASSY AC100V/200V (PL12.1.8)
HARNESS ASSY LVPS (PL12.1.1)
Option 550 Paper Feeder PWBA FEEDER 550
(PL20.1.34)
PWBA DUPLEX (PL21.1.32)
Checking a foreign noise
Are there any other electrical appliances within 3 m of
the printer, such as generators, radios and appliances
1 with motors?
Either turn off the other electrical appliances, or re-
locate the printer at least 6 m from other appliances.
Does the electrical noise problem still occur?
Checking AC ground
2 Is AC power supply outlet wired and grounded appro-
priately?
Checking HARNESS ASSY AC100V/200V
3 Is the cable connected to HARNESS ASSY AC100V/
200V appropriately grounded?
Checking after replacing EP CARTRIDGE
Replace EP CARTRIDGE.
4
Does the electrical noise problem still occur, after
replacement?
Checking GUIDE ASSY CRU R (1)
5 Does the Plate Earth of GUIDE ASSY CRU R contact
terminals on HVPS/MCU appropriately?
Checking GUIDE ASSY CRU R (2)
Remove EP CARTRIDGE.
6 Remove GUIDE ASSY CRU R. (RRP8.13)
Is the Plate Earth of GUIDE ASSY CRU R normal and
not damaged or soiled, or there is no disturbing object?
Checking HARNESS ASSY ANT for continuity
7 Disconnect P/J15 from HVPS/MCU.
Is there continuity between J15 and J150?
Check
1 – 63
Chapter 1 Troubleshooting
Yes
Go to step 2. End of work
Request the client
Go to step 3. to fix AC power
supply outlet.
Install the ground
Go to step 4. screw appropri-
Go to step 5. End of work
Replace GUIDE
Go to step 6. ASSY CRU R.
(RRP8.13)
Clean the plate or
replace GUIDE
Go to step 7.
ASSY CRU R.
(RRP8.13)
Replace HAR-
Go to step 8.
NESS ASSY ANT.
No
ately.