Service manual

ENGINE SERVICE MODE
G130/G131 5-26 SM
2208
[Toner Mode] Toner Supply Method ([Color])
2208 013 LowCoverage[C] *BCU When printing with a low image ratio, toner
concentration is controlled only with Vt outputs
since pixel count is not done for low image ratios.
This may cause the attraction force between toner
and carrier to increase, resulting in low image
density on outputs. To prevent this, the machine
counts the number of pixels and supplies a fixed
amount of toner if the accumulated number of
pixels becomes greater than the specified level.
[0 to 100 / 0
/ 1 %/step] DFU
2208 014 Vt Coeff[Bk] *BCU
2208 015 Vt Coeff[Y] *BCU
2208 016 Vt Coeff[M] *BCU
2208 017 Vt Coeff[C] *BCU
Specifies each constant to adjust the toner supply
amount. The optimum value is specified before
shipment.
[0 to 2.0 / K: 0.30, Y: 0.28, C: 0.25, M: 0.25 /
0.01 %/step] DFU
2208 018 Img Coeff[Bk] *BCU
2208 019 Img Coeff[Y] *BCU
2208 020 Img Coeff[M] *BCU
2208 021 Img Coeff[C] *BCU
Specifies each constant to adjust the toner supply
amount. The optimum value is specified before
shipment.
[0 to 2.0 / 0.45 / 0.01 %/step] DFU
2208 022 ImgCrctCoef[Bk] *BCU
2208 023 ImgCrctCoef[Y] *BCU
2208 024 ImgCrctCoef[M] *BCU
2208 025 ImgCrctCoef[C] *BCU
Specifies each constant to adjust the toner supply
amount. The optimum value is specified before
shipment.
[0 to 2.0 / 0.10 / 0.01 %/step] DFU
[Toner Counter] Toner Supply Counter ([Color])
2210
Displays the total time that the toner supply clutch has been on. This data is stored
in the memory chip on each toner cartridge.
2210 005 [K] *BCU
2210 006 [Y] *BCU
2210 007 [M] *BCU
2210 008 [C] *BCU
[0 to 5000 / 0
/ 1 second/step]
2212
[Toner Near/End] Toner Near End / End Detection Threshold ([Color])
2212 001 Start [K] *BCU
2212 002 Start [YMC] *BCU
When the amount of toner amount left in the
cartridge becomes less than this value, the
machine starts monitoring the Vt values for toner
near end detection.
[0 to 1000 / 100
/ 10 g/step]
2212 005 Near [K] *BCU
2212 006 Near [YMC] *BCU
Specifies the threshold for toner near-end
detection.
The machine detects toner near-end when the
following happens 10 times consecutively.
Vt > Vref + Threshold
[0 to 5.0 / 0.4
/ 0.1 V/step]
2212 007 End [K] *BCU
2212 008 End [YMC] *BCU
Specifies the threshold for toner end detection.
The machine detects toner end when the following
happens 10 times consecutively. Then, the
machine stops printing, even during a print job.
Vt > Vref + Threshold
[0 to 5.0 / 0.5
/ 0.1 V/step]