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Ricoh B230 Service Manual

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SM 5-195 B230/B237 
Service 
Tables 
4580 [FAX Application: Text･Chart] DFU 
4581 [FAX Application: Text] DFU 
4582 [FAX Application: Text･Photo] DFU 
4583 [FAX Application: Photo] DFU 
4584 [FAX Application: Original 1] DFU 
4585 [FAX Application: Original 2] DFU 
MTF: 0 (Off), 1-15 
(Strong) *ENG[0 to 15 / 8 / 1 /step] 
0: MTF Off 
-005 
Sets the MTF level (Modulation Transfer Function) designed to improve image 
contrast. Set higher for stronger effect, lower for weaker effect. 
Smoothing: 0 (x1), 1-7 
(Strong) *ENG
[0 to 7 / 4 / 1 /step] 
-006 
Use to remove jaggies if they appear. Set higher for smoother images. 
Brightness: 1–255  *ENG
[1 to 255 / 128 / 1 /step] 
-007 
Set higher for darker, set lower for lighter. 
Contrast: 1–255  *ENG
[1 to 255 / 128 / 1 /step] 
-008 
Set higher for more contrast, set lower for less contrast. 
Independent Dot Erase 
(0), 1-7 (Strong) *ENG
[0 to 7 / 0 / 1 /step] 
-009 
Selects the contrast level for B/W the Text mode. Sets the erasure level of 
Irregular Dots. Set higher for stronger effect, lower for weaker effect. 
0: Not activated 
Texture Erase: 0  *ENG
[0 to 2 / 0 / 1 /step] 
-010 Sets the erasure level of textures. Set higher for stronger effect, lower for 
weaker effect. This SP (suffix -010) only exists in SP4580, 4582 and 4583. 
0: Not activated
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B230/B237 5-196  SM 
4600 [SBU Version Display] 
001  -  -  Displays the ID of the SBU.   
 
4602 [Scanner Memory Access]  
001 Scanner Memory Access  - Enables the read and write check for the 
SBU registers. 
002 Address Set  - 
003 Data Set  - Not used 
 
4603 [AGC Execution]  
001  HP Detection Enable - Executes the AGC. 
002  HP Detection Disable  - 
DFU 
 
4604 [FGATE Open/Close] DFU 
001 -  - Opens or closes the FGATE signal. This 
SP automatically returns to the default 
status (close) after exiting this SP. 
[0 or 1 / 0 / 1/step] 
0: OFF, 1: ON 
 
4606 [White Balance Target: R] DFU 
001 -  *ENGThis value is the target value of red for the 
white level adjustment. 
[0 to 1024 / 784 / 1 digit/step] 
 
4607 [White Balance Target: G] DFU 
001 -  *ENGThis value is the target value of green for 
the white level adjustment.
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SM 5-197 B230/B237 
Service 
Tables 
[0 to 1024 / 784 / 1 digit/step] 
 
4608 [White Balance Target: B] DFU 
001 -  *ENGThis value is the target value of blue for 
the white level adjustment.   
[0 to 1024 / 784 / 1 digit/step] 
 
4623 [Black Level Fine Adj. Display]  
RE: Red Even signal, RO: Red Odd signal 
001  Latest: RE Color  - Displays the black offset value (rough 
adjustment) for the even red signal in the 
CCD circuit board (color printing speed). 
[0 to 255 / 128 / 1 digit/step] 
002  Latest: RO Color  - Displays the black offset value (rough 
adjustment) for the odd red signal in the 
CCD circuit board (color printing speed). 
003  Latest: RE Color  - Displays the black offset value (fine 
adjustment) for the even red signal in the 
CCD circuit board (color printing speed). 
004  Latest: RO Color  - Displays the black offset value (fine 
adjustment) for the odd red signal in the 
CCD circuit board (color printing speed). 
005 Latest: RE BW  - Displays the black offset value (rough 
adjustment) for the even red signal in the 
CCD circuit board (black and white printing 
speed). 
[0 to 255 / 128 / 1 digit/step] 
006  Latest: RO BW  - Displays the black offset value (rough 
adjustment) for the odd red signal in the 
CCD circuit board (black and white printing 
speed).
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B230/B237 5-198  SM 
007 Latest: RE BW  - Displays the black offset value (fine 
adjustment) for the even red signal in the 
CCD circuit board (black and white printing 
speed). 
008  Latest: RO BW  - Displays the black offset value (fine 
adjustment) for the odd red signal in the 
CCD circuit board (black and white printing 
speed). 
 
4624 [Black Level Rough Adj. Display]  
GE: Green Even signal, GO: Green Odd signal 
001  Latest: GE Color  - Displays the black offset value (rough 
adjustment) for the even green signal in 
the CCD circuit board (color printing 
speed). 
[0 to 255 / 128 / 1 digit/step] 
002  Latest: GO Color  - Displays the black offset value (rough 
adjustment) for the odd green signal in the 
CCD circuit board (color printing speed). 
003  Latest: GE Color  - Displays the black offset value (fine 
adjustment) for the even green signal in 
the CCD circuit board (color printing 
speed). 
004  Latest: GO Color  - Displays the black offset value (fine 
adjustment) for the odd green signal in the 
CCD circuit board (color printing speed). 
005  Latest: GE BW  - Displays the black offset value (rough 
adjustment) for the even green signal in 
the CCD circuit board (black and white 
printing speed). 
[0 to 255 / 128 / 1 digit/step]
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SM 5-199 B230/B237 
Service 
Tables 
006  Latest: GO BW  - Displays the black offset value (rough 
adjustment) for the odd green signal in the 
CCD circuit board (black and white printing 
speed). 
007  Latest: GE BW  - Displays the black offset value (fine 
adjustment) for the even green signal in 
the CCD circuit board (black and white 
printing speed). 
008  Latest: GO BW  - Displays the black offset value (fine 
adjustment) for the odd green signal in the 
CCD circuit board (black and white printing 
speed). 
 
4625 [Black Level Rough Adj. Display]  
BE: Blue Even signal, BO: Blue Odd signal 
001  Latest: BE Color  - Displays the black offset value (rough 
adjustment) for the even blue signal in the 
CCD circuit board (color printing speed). 
[0 to 255 / 128 / 1 digit/step] 
002  Latest: BO Color  - Displays the black offset value (rough 
adjustment) for the odd blue signal in the 
CCD circuit board (color printing speed). 
003  Latest: BE Color  - Displays the black offset value (fine 
adjustment) for the even blue signal in the 
CCD circuit board (color printing speed). 
004  Latest: BO Color  - Displays the black offset value (fine 
adjustment) for the odd blue signal in the 
CCD circuit board (color printing speed). 
005  Latest: BE BW  - Displays the black offset value (rough 
adjustment) for the even blue signal in the 
CCD circuit board (black and white printing
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B230/B237 5-200  SM 
speed). 
[0 to255 / 128 / 1 digit/step] 
006  Latest: BO BW  - Displays the black offset value (rough 
adjustment) for the odd blue signal in the 
CCD circuit board (black and white printing 
speed). 
007  Latest: BE BW  - Displays the black offset value (fine 
adjustment) for the even blue signal in the 
CCD circuit board (black and white printing 
speed). 
008  Latest: BO BW  - Displays the black offset value (fine 
adjustment) for the odd blue signal in the 
CCD circuit board (black and white printing 
speed). 
 
[Gain Adjustment]  
4628 
Displays the gain value of the amplifiers on the controller for Red. 
001  Latest: RE Color  - 
002  Latest: RO Color  - 
003 Latest: RE BW  - 
004  Latest: RO BW  - [0 to 255 / 0 / 1 digit/step] 
 
[Gain Adjustment]  
4629 
Displays the gain value of the amplifiers on the controller for Green. 
001  Latest: GE Color  - 
002  Latest: GO Color  - 
003  Latest: GE BW  - [0 to 255 / 0 / 1 digit/step]
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SM 5-201 B230/B237 
Service 
Tables 
004  Latest: GO BW  - 
 
[Gain Adjustment]  
4630 
Displays the gain value of the amplifiers on the controller for Blue. 
001  Latest: BE Color  - 
002  Latest: BO Color  - 
003  Latest: BE BW  - 
004  Latest: BO BW  - [0 to 255 / 0 / 1 digit/step] 
 
[Black Level Adj. Loop] Black Level Adjustment Loop Counter   
4640 Displays the black level adjustment time for each mode.   
The black level adjustment is done twice. The 1st adjustment decides the 
reference value for the 2nd adjustment.   
001  Adj. 1 Number: Color  - 
002  Adj. 1 Number: BW  - 1st adjustment 
[0 to 20 / 0 / 1 /step] 
003  Adj. 2 Number: Color  - 
004  Adj. 2 Number: BW  - 2nd adjustment 
[0 to 20 / 0 / 1 /step] 
 
[White Level Adj. Loop] White Level Adjustment Loop Counter   
4641 
Displays the white level adjustment time for each mode. 
001  Adj. Number: Color  - 
002  Adj. Number: BW  - [0 to 20 / 0 / 1 /step] 
 
[Scan Adj. Time Out Error]  
4646 
Displays the result of the AGC adjustment.   
If the AGC adjustment fails, SC141 (B/W mode) or SC142 (Color mode)
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B230/B237 5-202  SM 
occurs. 
001  Black Offset Correction 1  - 
002  Black Offset Correction 2  - 
003 White Offset Correction  - [0 or 1 / 0 / 1/step] 
0: OK, 1: AGC adjustment failure 
 
[Read Hard Error]  
4647 
Displays the result of the SBU connection check. 
001 Power-ON  - [0 or 1 / 0 / 1/step] 
0: OK, 1: SBU connection check failure 
If the SBU connection check fails, 
SC141-001, -002 or -003 occurs. 
 
4654 [Black Level Fine Adj. Display]  
RE: Red Even signal, RO: Red Odd signal 
001 Last Correct Value: RE 
Color *ENGDisplays the previous black offset value 
(rough adjustment) for the even red signal 
in the CCD circuit board (color printing 
speed). 
[0 to 255 / 11 2 / 1 digit/step] 
002 Last Correct Value: RO 
Color *ENGDisplays the previous black offset value 
(rough adjustment) for the odd red signal 
in the CCD circuit board (color printing 
speed). 
003 Last Correct Value: RE 
Color *ENGDisplays the previous black offset value 
(fine adjustment) for the even red signal in 
the CCD circuit board (color printing 
speed). 
[0 to 255 / 128 / 1 digit/step] 
004 Last Correct Value: RO 
Color *ENGDisplays the previous black offset value 
(fine adjustment) for the odd red signal in
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SM 5-203 B230/B237 
Service 
Tables 
the CCD circuit board (color printing 
speed). 
005 Last Correct Value: RE 
BW *ENGDisplays the previous black offset value 
(rough adjustment) for the even red signal 
in the CCD circuit board (black and white 
printing speed). 
[0 to 255 / 11 2 / 1 digit/step] 
006 Last Correct Value: RO 
BW *ENGDisplays the previous black offset value 
(rough adjustment) for the odd red signal 
in the CCD circuit board (black and white 
printing speed). 
007 Last Correct Value: RE 
BW *ENGDisplays the previous black offset value 
(fine adjustment) for the even red signal in 
the CCD circuit board (black and white 
printing speed). 
[0 to 255 / 128 / 1 digit/step] 
008 Last Correct Value: RO 
BW *ENGDisplays the previous black offset value 
(fine adjustment) for the odd red signal in 
the CCD circuit board (black and white 
printing speed). 
 
4655 [Black Level Rough Adj. Display]  
GE: Green Even signal, GO: Green Odd signal 
001 Last Correct Value: GE 
Color *ENGDisplays the previous black offset value 
(rough adjustment) for the even green 
signal in the CCD circuit board (color 
printing speed). 
[0 to 255 / 11 2 / 1 digit/step] 
002 Last Correct Value: GO 
Color *ENGDisplays the previous black offset value 
(rough adjustment) for the odd green 
signal in the CCD circuit board (color 
printing speed).
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B230/B237 5-204  SM 
003 Last Correct Value: GE 
Color *ENGDisplays the previous black offset value 
(fine adjustment) for the even green signal 
in the CCD circuit board (color printing 
speed). 
[0 to 255 / 128 / 1 digit/step] 
004 Last Correct Value: GO 
Color *ENGDisplays the previous black offset value 
(fine adjustment) for the odd green signal 
in the CCD circuit board (color printing 
speed). 
005 Last Correct Value: GE 
BW *ENGDisplays the previous black offset value 
(rough adjustment) for the even green 
signal in the CCD circuit board (black and 
white printing speed). 
[0 to 255 / 11 2 / 1 digit/step] 
006 Last Correct Value: GO 
BW *ENGDisplays the previous black offset value 
(rough adjustment) for the odd green 
signal in the CCD circuit board (black and 
white printing speed). 
007 Last Correct Value: GE 
BW *ENGDisplays the previous black offset value 
(fine adjustment) for the even green signal 
in the CCD circuit board (black and white 
printing speed). 
[0 to 255 / 128 / 1 digit/step] 
008 Last Correct Value: GO 
BW *ENGDisplays the previous black offset value 
(fine adjustment) for the odd green signal 
in the CCD circuit board (black and white 
printing speed). 
 
4656 [Black Level Rough Adj. Display]  
BE: Blue Even signal, BO: Blue Odd signal 
001 Last Correct Value: BE 
Color *ENGDisplays the previous black offset value 
(rough adjustment) for the even blue
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