10 October, 2002
TROUBLESHOOTING FLOW CHART
4-7
Trouble-
shooting
Is the
connection of OPC
GND and Frame Ground
correct? (less
than 10%)
YES
NO
NO
Check the conception of
frame Ground and OPC
GND
YES
Replace HVPS or repair
defective component
A
Repair or replace terminal
Transfer roller might be out of its location
→
Locate the roller into its place
This could occurs when the power of LSU is low
or the density is low due to the obstacles on the
window
→
Replace the LSU or clean the window
YES
Transfer voltage OK?
(on the transfer roller
shaft)
Developing
(-350 v) and supplying
(-550V) voltage
are OK?
Does the counter
indicate over the toner's
guaranty life
Replace the AIO
Replace HVPS or repair
defective component
Repair or replace terminal
Is the connection
terminal OK?
Are the connection
terminal and connection
correct?
YES
NO
NO
YES
NO
YES
H911T912.WMF
