Ricoh MP C6502SP Field Service Manual page 1439

When adjusting the ITB bias for all paper types in the paper library at once (Office only),
please use the following SP.
Model
Pro
Pro
Pro
Pro
Pro
2. Print out a sheet with 100% Coverage using the same procedure as Steps 1-1, 2 and
compare with the 100% Coverage printed out in Step 1.
If the image density difference is improved, go to Step 3-3.
If the image density difference is worse, go to Step 3-4.
3. Decrease the value 1 A by 1 A (Minimum :-10 A from the default value)
4. Increase the value 1 A by 1 A.
Troubleshooting for Vertical band of halftone images
Symptom
Vertical bands of uneven image density appear in halftone images on the rear side of duplex
copies/prints when printing onto coated paper in low-temperature, low-humidity environments
(10°C, 15%).
SP No.
SP2-801-001 to ITB Bias:K:BW
100
SP2-802-001 to ITB Bias:K:FC
100
SP2-803-001 to ITB Bias:C:FC
100
SP2-804-001 to ITB Bias:M:FC
100
SP2-805-001 to ITB Bias:Y:FC
100
SP Name Remarks
BW mode
FC mode
FC mode
FC mode
FC mode
Image Quality
1437