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Canon MF9170c

Service Mode. COPIER. ADJUST 4 VIFADJ

COPIER > ADJUST > VIFADJ
Sub item Description
FRT-TS-M Transfer bias front side setting value (M)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  1. It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
FRT-TS-C Transfer bias front side setting value (C)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
FRT-TS-K Transfer bias front side setting value (Bk)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
BCK-TR-Y Transfer bias backside setting value (Y)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
BCK-TR-M Transfer bias backside setting value (M)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
BCK-TR-C Transfer bias backside setting value (C)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
BCK-TR-K Transfer bias backside setting value (Bk)
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for toner scatter/dotted image)
  • Decrease the setting value. (Effective for white dots/white flower patches/image with high granularity in halftone mode)
Setting range: -30 to 40 (Unit: 50V)
  • It is preferable to enter values in the condition of "M <= C <= Y <= K".
[Factory setting value/Value after RAM clearing: 0]
PGR-YMCK Setting value of transfer bias between sheets (Y, M, C, Bk)
[When used]
The density of the entire area of 70 to 80mm from the leading edge of the sheet is low/high, or there are an infinite number of white or black spots in an image when the entire print is halftone, etc.
[Adjustment method]
  • The problem may be eliminated by changing the setting value.
  • Increase the setting value. (Effective for thin density in the area 70 to 80mm from the leading edge)
  • Decrease the setting value. (Effective for high density in the area 70 to 80mm from the leading edge)
Setting range: -20 to 50 (Unit: 50V)
[Factory setting value/Value after RAM clearing: 0]
FRT-ATH Attraction bias front side setting value
[When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
- The problem may be eliminated by changing the setting value.
Setting range: -20 to 20 (Unit: 100 V)
[Factory setting value/Value after RAM clearing: 0]
BCK-ATH Attraction bias backside setting value [When used]
An image failure occurs depending on the type or condition of the paper AND the problem cannot be eliminated by performing special printing process.
[Adjustment method]
- The problem may be eliminated by changing the setting value.
Setting range: -20 to 20 (Unit: 100 V)
[Factory setting value/Value after RAM clearing: 0]
FRFS-TMP Fixing temperature front side setting value
[When used]
The problem cannot be eliminated by performing special printing process and the image is not firmly fixed to the sheet, or a residual image remains in the image.
[Caution] The fixing heater temperature is changed via this mode, and therefore, attentions should be paid when using this mode.
[Adjustment method]
  • When an image is not firmly fixed to the sheet, the problem may be eliminated by increasing the setting value.
  • When a residual image remains in an image, the problem may be eliminated by decreasing the setting value.
Setting range: -4 to 4 (Unit: Approx. 5 degree C)
[Factory setting value/Value after RAM clearing: 0]
BKFS-TMP Fixing temperature backside setting value
[When used]
The problem cannot be eliminated by performing special printing process and the image is not firmly fixed to the sheet, or a residual image remains in the image.
[Caution] The fixing heater temperature is changed via this mode, and therefore, attentions should be paid when using this mode.
[Adjustment method]
  • When an image is not firmly fixed to the sheet, the problem may be eliminated by increasing the setting value.
  • When a residual image remains in an image, the problem may be eliminated by decreasing the setting value.
Setting range: -4 to 4 (Unit: Approx. 5 degree C)
[Factory setting value/Value after RAM clearing: 0]
Error Code
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