Ricoh FT4430 Service Manual page 317

BLANK AREA OR PATCHY IMAGE
-
Possible Causes -
.+ Uneven PTL, transfer, or separation coronas.
- Action -
Are the PTL, transfer, and separation corona wires improperly installed?
Y N
I
Clean the PTL, transfer, and separation corona wires and adjust the
corona currents.
Clean and reset the wire(s).
UNFUSED COPY
1.
Image Can be Easily Rubbed Off
- Possible Causes -
+ Thermistor malfunction
+ Very low early morning temperatures.
+ Copy paper has a very rough surface.
- Action -
Does the problem occur only early in the morning?
Y N
I
Is the thermistor dirty or damaged?
Y N
I
Increase fusing temperature using SP Mode # 49. If the problem
still occurs, increase the fusing pressure.
Clean or replace the thermistor.
Select the fusing idling mode using SP Mode # 29.
11-3
16 April '88