Ricoh Mp C3000 Service Manual

 
SM 3-1 B230/B237/D042 
Replacement 
Adjustment 
3.  REPLACEMENT AND ADJUSTMENT 
3.1 BEFOREHAND 
 
ƒ  Before installing options , please do the following: 
1.  If there is a fax unit in the machi ne, print out all messages stored in the 
memory, the lists of user-programmed  items, and the system parameter list. 
2.  If there are printer jobs in the machine, print out all jobs in the printer buffer. 
3.  Turn off the main switch and disconn ect the power cord, the telephone line, 
and the network cable.  

 
B230/B237/D042 3-2 SM 
3.2 SPECIAL TOOLS 
Part Number Description  Q’ty 
B645 5010  SD Card  1 
B645 6705  PCMCIA Card Adapter 1 
B645 6820  USB Reader/Writer 1 
VSSM9000  Digital Multimeter – FLUKE87 1 
G021 9350 
Loop-back Connector – Parallel * NOTE  1 
C401 9503  20X Magnification Scope 
1 
A257 9300  Grease Barrierta – S552R  1 
5203 9502  Silicone Grease G-501 1 
A092 9503  C4 Color Test Chart (3 pcs/set)  1 
A006 9104  Scanner Positioning Pin (4 pcs/set) 1 
B679 5100  Plug - IEEE1284 Type C 1...

 
SM 3-3 B230/B237/D042 
Replacement 
Adjustment 
3.3 IMAGE ADJUSTMENT 
3.3.1 SCANNING 
Check the printing registration/side-to-side  adjustment and the blank margin adjustment 
before you do the followi ng scanner adjustments. 
 
ƒ  Use a S-2-1 test chart to  do the following adjustments. 
Scanner sub-scan magnification 
 
A: Sub-scan magnification 
1.  Put the test chart on the exposure glass. Then 
make a copy from one of the feed stations. 
2.  Check the magnification ratio. Adjust with  SP4-008 if...

 
B230/B237/D042 3-4 SM 
3.3.2 ARDF 
ARDF side-to-side, leading edge registration and trailing edge 
 
A: Leading edge registration 
Use A3/DLT paper to make a temporary test chart as shown above. 
1.  Put the temporary test chart on the ARDF. Then make a copy from one of the  feed stations. 
2.  Check the registration. Check the leadi ng edge and side-to-side registration. 
Adjust the following SP modes if necessar y. Standard: 4.2 ± 2 mm for the leading 
edge registration, 2 ± 1 mm for the side-to...

 
SM 3-5 B230/B237/D042 
Replacement 
Adjustment 
3.3.3 REGISTRATION 
Image Area 
 
A = C = 4.2mm (1.6), B = 2.0mm 
Make sure that the registration is 
adjusted within the adjustment 
standard range as shown below. 
Leading Edge 
Adjusts the leading edge registration 
for each paper type and process line 
speed. 
Side to Side 
Adjusts the side-to-side registration for each  paper feed station. Use SP mode (SP1-002) 
to adjust the side-to-side registration for t he optional paper feed unit, LCT, and...

 
B230/B237/D042 3-6 SM 
4.  Do the side-to-side registration adjustment. 
1.  Check the side-to-side regist ration and adjust it with SP1-002. 
2.  Select the adjustment c onditions (paper feed station). 
3.  Input the value. Then press the 
 key. 
4.  Generate a trim pattern to check the leading edge adjustment. 
3.3.4  ERASE MARGIN ADJUSTMENT 
 
ƒ  Adjust the erase margin C and D only if  the registration (main scan and sub scan) 
cannot be adjusted within t he standard values. Do the r egistration...

 
SM 3-7 B230/B237/D042 
Replacement 
Adjustment 
ƒ  When you open the dr um positioning plate 
ƒ  When you remove or replace the motors , clutches, and/or gears related to the 
drum/development/transfer sections 
ƒ  When you remove or replace the image  transfer belt, image transfer belt unit or 
laser optical housing unit 
3.3.6 PRINTER GA MMA CORRECTION 
 
ƒ  The ACC is usually sufficient to adjust the color balance to get the best print output. 
You only need the printer gamma correction to fine-tune...

 
B230/B237/D042 3-8 SM 
 
- Adjustment Procedure -  
1.  Copy the C-4 chart in the mode that you want to adjust. 
2.  Enter the SP mode. 
3. Select “Copy SP.” 
4. Select SP4-918-009. 
5.  Adjust the offset values until the copy quality conforms to the standard (
the 
table below). 
 
ƒ  1. Never change “Option” value (default value is 0). 
ƒ  2. Adjust the density in this order: “I D Max,” “Middle,” “Shadow,” “Highlight.” 
- Photo Mode, Full Color -  
  Item to Adjust  Level on the C-4 chart  Adjustment...

 
SM 3-9 B230/B237/D042 
Replacement 
Adjustment 
that of level 8 on the C-4 
chart. 
4  Highlight (Low ID) 
(K, C, M, and Y) 
 Adjust the offset value so that 
dirty background does not 
show on the copy and the 
density of level 
3 is slightly 
lighter than that of level 3 on 
the C-4 chart. 
5  K Highlight (Low 
ID) (C,M, and Y) 
 
Adjust the offset value so that 
the color balance of black 
scale levels 3 through 5 in the 
copy is seen as gray (no C, 
M, or Y should be visible). If 
the black scale...

 
B230/B237/D042 3-10 SM 
4 Highlight (Low ID) 
(K) 
Adjust the offset value so that 
dirty background does not 
show on the copy and the 
density of level 
3 is slightly 
lighter than that of level 3 on 
the C-4 chart. 
 
- Text (Letter) Mode, Full Color -  
  Item to Adjust  Level on the C-4 chart (K)  Adjustment Standard  
1 ID max: (K, C, M, 
and Y) 
Adjust the offset value so that 
the density of level 10 
matches that of level 10 on 
the C-4 chart. 
2 Middle (Middle 
ID)  
(K, C, M, and Y) 
Adjust...