Canon imageRUNNER 1643P
Service Mode. ADJUST GR. 2
T2 ATVC BIAS F
Adjustment of front-side secondary transfer ATVC bias
| Detail | To change the secondary transfer ATVC value for the front side. |
| Use Case | When a secondary transfer image failure occurs on the front side |
| Adj/Set/Operate Method | Enter setting value, and then press OK key. |
| Caution | Should be applied when an image on the ITB is not properly transferred onto paper (1st side of 1- sided or 2-sided print). 1. Image is secondary transferred with bleeding or scattered edges: adjust to the + side (in some cases adjusting to the - side may improve the symptom). 2. Dark spots or white dots occur on halftone images: adjust to the - side (in some cases adjusting to the + side may improve the symptom). |
| Display/Adj/Set Range | -5 to +5 |
| Unit | 0.15 |
| Default Value | 0 |
| Related Service Mode | OPTION GR. > Adj. Scndry Transfer |
| Additional Functions Mode | User Maintenance > Special Transfer Processing |
SUBTLE DENSITY CORR
Correction of fine density
| Detail | Increase the setting value to darken the fine line density. |
| Display/Adj/Set Range | -1 to +1 |
| Default Value | 0 |
Special Grad.Process
Special gradation processing
| Detail | To set whether to make the gradation processing the same as that of the current products. |
| Display/Adj/Set Range | Off/On |
| Default Value | Off |
LASER BRIGHT K
Adjustment of Bk-color laser light intensity
| Detail | To change the light emission value of the black Laser Scanner. |
| Adj/Set/Operate Method | Enter setting value, and then press OK key. |
| Display/Adj/Set Range | -4 to +4 |
| Unit | 0.1 |
| Default Value | 0 |