Ricoh Mp C3000 Service Manual

							 
SM 5-153 B230/B237/D042 
Service 
Tables 
044  Delta Vt Threshold Before 
Near End  *ENGAdjusts the delta Vt (Vt – Vtref) of toner end 
before toner near e
nd is detected. 
[0 to 5 /  0.5 / 0.01 V/step] 
045  Delta Vt Sum Threshold 
Before Near End  *ENGAdjusts the total delta Vt (Vt – Vtref) of 
toner end before toner near end is 
detected. 
[0 to 255 / 
10 / 1 V/step] 
 
[Toner End Recovery]   
3102 
Adjusts the number of times toner suppl y is attempted for each color when the 
TD sensor continues to detect  toner end during toner recovery. 
001 Repeat: Bk  *ENG
002 Repeat: M  *ENG
003 Repeat: C *ENG
004 Repeat: Y *ENG[1 to 20 / 
5 / 1 time/step] 
 
[TE Count m: Display]   
3131 
Display the number of toner  end detections for each color. 
001 Bk  *ENG
002 M  *ENG
003 C *ENG
004 Y *ENG[0 to 99 / 
0 / 1 time/step] 
 
[TD Sensor: Vt Display]   
3201 
Display the current voltage of the TD sensor for each color. 
001 Current: Bk  *ENG
[0 to 5.5 /  0.01 / 0.01 V/step]  
						

							 
B230/B237/D042 5-154 SM 
002 Current: M *ENG
003 Current: C *ENG
004 Current: Y  *ENG
 
[Vt Shift: Display/Set]   
3211 
Adjusts the Vt correction value for each line speed. 
001  Thick 1 Shift: Bk  *ENG
002  Thick 1 Shift: M  *ENG
003  Thick 1 Shift: C *ENG
004 Thick 1 Shift: Y  *ENG [0 to 5 / 
0.21 / 0.01 V/step] 
005  Thick 2 & FINE Shift: Bk  *ENG
006  Thick 2 & FINE Shift: M  *ENG
007  Thick 2 & FINE Shift: C  *ENG
008  Thick 2 & FINE Shift: Y  *ENG [0 to 5 / 
0.21 / 0.01 V/step] 
 
[Vtcnt: Display/Set]   
3221 
Displays or adjusts the current Vtcnt value for each color. 
001 Current: Bk  *ENG
002 Current: M  *ENG
003 Current: C *ENG
004 Current: Y  *ENG[2 to 5 / 
4 / 0.01 V/step] 
005-008  Displays or adjusts the Vtcnt value for 
each color at developer initialization. 
DFU  
005 Initial: Bk  *ENG
[2 to 5 /  4 / 0.01 V/step]  
						

							 
SM 5-155 B230/B237/D042 
Service 
Tables 
006 Initial: M  *ENG
007 Initial: C *ENG
008 Initial: Y *ENG
 
[Vtref: Display/Set]   
3222 
Displays or adjusts the current  Vtref value for each color.   
001 Current: Bk  *ENG
002 Current: M  *ENG
003 Current: C *ENG
004 Current: Y  *ENG[0 to 5.5 / 
3 / 0.01 V/step] 
005-008  Displays or adjusts the Vtref value for each color at developer initialization. 
DFU
 
005 Initial: Bk  *ENG
006 Initial: M  *ENG
007 Initial: C *ENG
008 Initial: Y *ENG[0 to 5.5 / 
3 / 0.01 V/step] 
009-012 
Displays and adjusts Vtref correcti on by pixel coverage for each color.  DFU 
009  Pixel Correction: Bk  *ENG
010  Pixel Correction: M  *ENG
011  Pixel Correction: C  *ENG
012 Pixel Correction: Y  *ENG [-5 to 5.5 / 
0 / 0.01 V/step] 
 
[Vtref Upper Lower: Set] DFU  
3223 
Adjusts the lower or upper limit value of Vtref for each color.    
						

							 
B230/B237/D042 5-156 SM 
001 Lower: Bk *ENG
002 Lower: M  *ENG
003 Lower: C *ENG
004 Lower: Y  *ENG[0 to 5 / 
2 / 0.01 V/step] 
005 Upper: Bk  *ENG
006 Upper: M  *ENG
007 Upper: C *ENG
008 Upper: Y *ENG[0 to 5 / 
4 / 0.01 V/step] 
009 Initial TC  *ENGAdjusts the initial toner concentration. 
[1 to 15 / 
7 / 0.1 wt%/step] 
010 Upper: TC  *ENGAdjusts the upper limit of the toner 
concentration. 
[1 to 15 / 
10.5 / 0.1 wt%/step] 
011 Lower: TC  *ENGAdjusts the lower limit of the toner 
concentration. 
[1 to 15 / 
4 / 0.1 wt%/step] 
012 Upper Sensitivity  *ENG Adjusts the upper limit of the TD sensor 
sensitivity. 
[0.2 to 0.5 / 
0.44 / 0.001 V/wt% /step] 
013 Lower Sensitivity  *ENG Adjusts the lower limit of the TD sensor 
sensitivity. 
[0.2 to 0.5 / 
0.209 / 0.001 V/wt% /step] 
014 Toner Density Between H 
and M  *ENG
[1 to 10 /  3.4 / 0.1 wt%/step] 
015  Toner Density Between M 
and L  *ENG
[1 to 10 /  4.3 / 0.1 wt%/step] 
  
						

							 
SM 5-157 B230/B237/D042 
Service 
Tables 
[Vtref Correction: Pixel] DFU  
3224 
Adjusts the coefficient of Vtref corre ction for each coverage and color.   
001 Low Coverage 
Coefficient: Bk  *ENG
002 Low Coverage 
Coefficient: M  *ENG
003 Low Coverage 
Coefficient: C  *ENG
004 Low Coverage 
Coefficient: Y  *ENG[0 to 5 / 
1 / 0.1 /step] 
005  High Coverage 
Coefficient: Bk  *ENG
[0 to 5 /  1 / 0.01 V/step] 
006  High Coverage 
Coefficient: M  *ENG
007 High Coverage 
Coefficient: C  *ENG
008 High Coverage 
Coefficient: Y  *ENG[0 to 5 / 
0.5 / 0.01 V/step] 
009 Low Coverage: Threshold *ENG Adjusts the threshold of the low coverage. 
[0 to 20 / 
3 / 0.1 %/step] 
010  High Coverage: 
Threshold  *ENGAdjusts the threshold of the high coverage. 
[0 to 100 / 
60 / 1 %/step] 
011  TC Upper Limit 
Correction  *ENG
[0 to 5 /  0.5 / 0.1 wt%/step] 
012  Upper Limit TC: Display: 
Bk  *ENG
013 Upper Limit TC: Display: 
M  *ENG[1 to 15 / 
10 / 0.01 wt% /step]  
						

							 
B230/B237/D042 5-158 SM 
014 Upper Limit TC: Display: 
C  *ENG
015 Upper Limit TC: Display: 
Y  *ENG
016 Process Control 
Execution Threshold  *ENG
[0 to 255 /  50 / 1 time/step] 
 
[Toner Supply: Setting]   
3231 
Adjusts the coefficient of the toner supply time for each color.  DFU 
001  Conversion Coefficient: 
Bk  *ENG
[0.5 to 9.99 /  1.48 / 0.01 /step] 
002 Conversion Coefficient: M *ENG
[0.5 to 9.99 / 1.67/ 0.01 /step] 
003 Conversion Coefficient: C *ENG
[0.5 to 9.99 / 1.45 / 0.01 /step] 
004 Conversion Coefficient: Y *ENG
[0.5 to 9.99 / 1.74 / 0.01 /step] 
 
3232   [Toner Supply Coefficient: Setting] DFU  
001  Vt Proportion: Bk  *ENG
002  Vt Proportion: M  *ENG
003  Vt Proportion: C  *ENG
004 Vt Proportion: Y  *ENG[0 to 2550 / 
50 / 1 /step] 
005  Pixel Proportion: Bk  *ENG
006  Pixel Proportion: M  *ENG
007  Pixel Proportion: C  *ENG
008 Pixel Proportion: Y  *ENG [0 to 2.55 / 
0.47 / 0.01 /step] 
009  Vt Integral Control: Bk  *ENG
[0 to 2550 / 500 / 1 /step]  
						

							 
SM 5-159 B230/B237/D042 
Service 
Tables 
010  Vt Integral Control: M  *ENG
011  Vt Integral Control: C  *ENG
012  Vt Integral Control: Y  *ENG
013 Vt Sum Times: Bk  *ENG
014  Vt Sum Times: M  *ENG
015  Vt Sum Times: C  *ENG
016 Vt Sum Times: Y  *ENG [1 to 255 / 
20 / 1 time/step] 
 
3233   [Pixel Proportion Coefficient 2: Setting] DFU  
001  Correction Coefficient: 1  *ENG
[0 to 2.55 / 1 / 0.01 /step] 
002  Correction Coefficient: 2  *ENG
[0 to 2.55 / 0.5 / 0.01 /step] 
003  Correction Coefficient: 3  *ENG
[0 to 2.55 / 0 / 0.01 /step] 
004  Correction Coefficient: 4  *ENG
[0 to 2.55 / 0.25 / 0.01 /step] 
005  Correction Coefficient: 5  *ENG
[0 to 2.55 / 0.5 / 0.01 /step] 
 
3234   [Pixel Proportion Coefficient 3: Setting] DFU  
001  Correction Value 1  *ENG
[-0.1 to 0 / -0.01 / 0.01 /step] 
002  Correction Value 2  *ENG
[0 to 0.1 / 0.01 / 0.01 /step] 
 
3235   [Toner Supply Coefficient: Display] DFU  
001  Pixel Proportion 2: Bk  *ENG
002  Pixel Proportion 2: M  *ENG
003  Pixel Proportion 2: C  *ENG
004  Pixel Proportion 2: Y  *ENG[0 to 2.55 / 
1 / 0.01 /step]  
						

							 
B230/B237/D042 5-160 SM 
005  Pixel Proportion 3: Bk  *ENG
006  Pixel Proportion 3: M  *ENG
007  Pixel Proportion 3: C  *ENG
008  Pixel Proportion 3: Y  *ENG[0.7 to 1.3 / 
1 / 0.01 /step] 
009  Vt Integral Value: Bk  *ENG
010  Vt Integral Value: M  *ENG
011  Vt Integral Value: C  *ENG
012  Vt Integral Value: Y  *ENG [-255 to 255 / 
0 / 0.01 /step] 
 
[Toner Supply Consumption: Display] DFU  
3236 
Displays the toner amount of the latest toner supply for each color. 
001 Latest: Bk  *ENG
002 Latest: M  *ENG
003 Latest: C *ENG
004 Latest: Y  *ENG[0 to 40000 / 
0 / 0.1 mg/step] 
 
[Developer Mixing Setting]   
3237 
Displays the toner amount of the latest toner supply for each color.  DFU 
001 Mixing Time  *ENG
[0 to 200 /  5 / 1 sec/step] 
 
[Vt Target: Setting]   
3238 
Displays the Vt target value  at developer initialization. DFU 
001 Bk  *ENG
002 M  *ENG[0 to 5 / 
2.7 / 0.01 V/step]  
						

							 
SM 5-161 B230/B237/D042 
Service 
Tables 
003 C  *ENG
004 Y *ENG
 
[Vtref Correction: Setting]   
3239 
Adjusts the parameter for Vtref co rrection at the process control. 
001 (+)Consumption: Bk  *ENG
002 (+)Consumption: M  *ENG
003 (+)Consumption: C  *ENG
004 (+)Consumption: Y  *ENG
005 (-)Consumption: Bk  *ENG
006 (-)Consumption: M  *ENG
007 (-)Consumption: C  *ENG
008 (-)Consumption: Y  *ENG [0 to 1 / 
0.1 / 0.01 V/step] 
009-012  Threshold for development gamma rank. 
009  P Rank 1 Threshold  *ENG
[0 to 2 / 0.2 / 0.1 /step]   
010  P Rank 2 Threshold  *ENG
[0 to 2 / 0.1 / 0.1 /step] 
011  P Rank 3 Threshold  *ENG
[-2 to 0 / -0.1 / 0.1 /step] 
012  P Rank 4 Threshold  *ENG
[-2 to 0 / -0.2 / 0.1 /step] 
013-014  Threshold for image density r ank on the image transfer belt. 
013  T Rank 1 Threshold  *ENG
[-1 to 0 / -0.2 / 0.01 V/step] 
014  T Rank 2 Threshold  *ENG
[0 to 1 / 0.2 / 0.01 V/step] 
 
3241   [Background Potential Setting]   
001 Coefficient: Bk  *ENG These are  parameters for calculating the  
						

							 
B230/B237/D042 5-162 SM 
002 Coefficient: M *ENG
003 Coefficient: C *ENG
004 Coefficient: Y *ENGcharge bias referring to the development 
bias at process control. 
[-1000 to 1000 / 
0 / 1 /step] 
DC charge bias = Development bias x (1 + 
0.001 x these vales) + SP3-241-005 to -008 
005 Offset: Bk  *ENG
006 Offset: M *ENG
007 Offset: C *ENG
008 Offset: Y *ENGThese are additional va
lues for calculating 
the charge bias referring to the 
development bias at process control.   
[0 to 255 /  140 / 1 V/step] 
DC charge bias = Development bias x (1 + 
0.001 x SP3-241-001 to -004) + these 
values 
 
[LD Power Setting]   
3242 
Adjusts the coefficient for LD power control value at the process control. 
001 Coefficient: Bk  *ENG
002 Coefficient: M  *ENG
003 Coefficient: C *ENG
004 Coefficient: Y *ENG[-1000 to 1000 / 
75 / 1 /step] 
005 Offset: Bk  *ENG
006 Offset: M *ENG
007 Offset: C *ENG
008 Offset: Y *ENG[-1000 to 1000 / 
79 / 1 /step] 
 
[Coverage]   
3251 
These (-001 to -016) are coefficients for SP3-222-009 to -012. 
001  Latest Pixel: Bk  *ENG Displays the latest coverage for each color.