White Spots 2 - Ricoh Pro 8300S Troubleshooting Manual

2.Image Quality Problems
Example: If the present current is -40 uA, change it to -38 uA.
2. Print the image. Is the problem resolved?
Yes
No
3. Repeat Step 2. If this does not solve the problem, consult the product specialist.

White Spots 2

Random white specks appear in shaded areas.
Cause:
The charge on the image transfer roller is high, and the problem occurs in the area before or in the
roller nip. This can happen if the machine is located in an area of low temperature and humidity.
Solution:
Carry out the procedures below if the readings for the level of resistance at the image transfer roller or
paper transfer roller is "R+3". Be sure the check the resistance of both rollers.
(a) Problem With Image Transfer Roller
1. Check the resistance level of the image transfer roller with SP2-312-001 (Current Resist Level Disp
ITB).
If the value of SP2-312-001 is "R+3", connect the ITB unit heater and allow the machine to remain
2.
idle for one hour.
3. Print the image. Is the problem resolved?
Yes
No
4. Replace the image transfer roller.
5. Print the image. Is the problem resolved?
Yes
No
648
Finished.
Lower the setting another 5%.
Finished.
Go to the next step.
Finished.
Consult the product specialist.