Ricoh B230 Service Manual

							 
SM 5-155 B230/B237 
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 correction 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 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  *ENGAdjusts the upper limit of the TD sensor 
sensitivity. 
[0.2 to 0.5 / 0.44 / 0.001 V/wt% /step] 
013 Lower Sensitivity  *ENGAdjusts 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 
Service 
Tables 
[Vtref Correction: Pixel] DFU 
3224 
Adjusts the coefficient of Vtref correction 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 *ENGAdjusts 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 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 
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 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 
Service 
Tables 
003 C  *ENG
004 Y  *ENG
 
[Vtref Correction: Setting]  
3239 
Adjusts the parameter for Vtref correction 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 rank 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 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 values 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.  
						

							 
SM 5-163 B230/B237 
Service 
Tables 
002 Latest Pixel: M  *ENG
003 Latest Pixel: C  *ENG
004 Latest Pixel: Y  *ENG[0 to 9999 / 0 / 1 cm
2/step] 
005-008 Displays the average coverage of each color for the Vtref correction.   
Average S is defined when the number of developed pages does not reach 
the number specified with SP3251-017. 
005 Average S: Bk  *ENG
006 Average S: M  *ENG
007 Average S: C  *ENG
008 Average S: Y  *ENG[0 to 100 / 5 / 0.01 %/step] 
009-012 Displays the average coverage of each color for the Vtref correction.   
Average M is defined when the number of developed pages does not reach 
the number specified with SP3251-018. 
009 Average M: Bk  *ENG
010 Average M: M  *ENG
011 Average M: C  *ENG
012 Average M: Y  *ENG[0 to 100 / 5 / 0.01 %/step] 
013-016 Displays the average coverage of each color for the Vtref correction.   
Average L is defined when the number of developed pages does not reach 
the number specified with SP3-251-019. 
013  Average L: Bk  *ENG
014  Average L: M  *ENG
015  Average L: C  *ENG
016 Average L: Y  *ENG[0 to 100 / 5 / 0.01 %/step] 
017-019  Adjusts the threshold for SP3-251-005 to -016.  
						

							 
B230/B237 5-164  SM 
017  Total Page Setting: S  *ENG
[1 to 100 / 10 / 1 sheet/step] 
018  Total Page Setting: M  *ENG
[1 to 500 / 10 / 1 sheet/step] 
019  Total Page Setting: L  *ENG
[1 to 999 / 50 / 1 sheet/step] 
024-027  Displays the latest coverage ratio for each color. 
024  Latest Coverage: Bk  *ENG
025  Latest Coverage: M  *ENG
026  Latest Coverage: C  *ENG
027 Latest Coverage: Y  *ENG[0 to 100 / - / 0.01 %/step] 
 
[ID Sensor Detection Value: Vofset]  
3311 
Displays the ID sensor (regular) offset voltage for Vsg adjustments. 
001 Voffset reg: Bk  *ENG
002 Voffset reg: M  *ENG
003 Voffset reg: C  *ENG
004 Voffset reg: Y  *ENG[0 to 5.5 / - / 0.01 V/step] 
005-007  Displays the ID sensor (diffusion) offset voltage for Vsg adjustments. 
005 Voffset dif: M  *ENG
006  Voffset dif: C  *ENG
007 Voffset dif: Y  *ENG[0 to 5.5 / - / 0.01 V/step] 
008-010  Displays the ID sensor offset voltage for Vsg adjustments. 
008 Voffset TM (Front)  *ENG
009 Voffset TM (Center)  *ENG
010 Voffset TM (Rear)  *ENG[0 to 5.5 / - / 0.01 V/step]