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Ricoh Mp C3000 Service Manual

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SM 3-21 B230/B237/D042 
Replacement 
Adjustment 
 
13.  Release the clamp [J] (
 x 1). 
14.  Remove the pulley [K]. 
15.  Hold down the snap [L], and then slid e the exposure lamp [M] to the front side. 
16.  Exposure lamp [M] 
Reassembling 
 
ƒ  Run the cable so there is no slack. Sli de the clamp [A] to adjust the cable slack. 
3.5.4 SCANNER MOTOR 
 
1.  Rear cover (
 Rear 
Cover) 
2.  Scanner motor assembly [A] 
(
 x 2,   x 1, spring x 1) 
3.  Scanner motor [B] (
 x 2) 
4.  After you replace the motor, 
do the adjustments in the 
following section of the 
manual: Image Adjustment – 
Scanning. 
⇒ 
Rev. 03/2007
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B230/B237/D042 3-22 SM 
3.5.5  SENSOR BOARD UNIT (SBU) 
 
1.  Exposure glass (
 Exposure Glass) 
2.  SBU cover bracket [A] (
 x 9) 
3.  Original length sensor bracket [B] (
 x 1,  x 1) 
 
4.  Sensor board unit [C] (
 x 5,  x 2,  x 2) 
When reassembling 
Adjust the following SP modes afte r you replace the sensor board unit: 
ƒ  SP4–008 (Sub Scan Mag): See I mage Adjustment:  Scanning. 
ƒ  SP4–010 (Sub Mag Reg.): See  Image Adjustment:  Scanning. 
ƒ  SP4–011 (Main Scan Reg): See  Image Adjustment:  Scanning.
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SM 3-23 B230/B237/D042 
Replacement 
Adjustment 
ƒ  SP4–688 (DF: Density Adjustment ): Use this to adjust the density level if the ID of 
outputs made in the DF and Platen mode is different. 
3.5.6  EXPOSURE LAMP STABILIZER 
 
1.  Rear cover (
 Rear Cover) 
2.  Exposure lamp stabilizer [A] (
 x 2,  x 2) 
3.5.7  FRONT SCANNER WIRE 
 
1.  Exposure glass (
 Exposure Glass) 
2.  Front frame (
 Exposure Lamp) 
3.  Front scanner wire clamp [A] 
4.  Front scanner wire bracket [B] (
 x 1) 
5.  Front scanner wire and scanner drive pulley [C] (
 x 1)
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B230/B237/D042 3-24 SM 
Reinstalling the Front Scanner Wire 
 
1.  Position the center ball [A] in the middle of the forked holder. 
2.  Pass the right end (with the ball) [B] through the square hole. Pass the left end 
(with the ring) [C] through the notch. 
3.  Wind the right end counterclockwise (sho wn from the machine’s front) five times. 
Wind the left end clockwise twice.   
 
ƒ  The two red marks [D] come together when you have done this. Stick the wire 
to the pulley with tape. This lets you ea sily handle the assembly at the time of 
installation. 
 
4.  Install the drive pulley on the shaft [E].
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SM 3-25 B230/B237/D042 
Replacement 
Adjustment 
ƒ  Do not attach the pulley to the s haft with the screw at this time. 
5.  Insert the left end into the slit [F]. The end should go via the rear track of the left  pulley [G] and the rear track of the movable pulley [H]. 
 
6.  Hook the right end onto the front scanner wire bracket [I]. The end should go via 
the front track of the right pulley [J] and the front track of the movable pulley [K]. 
 
ƒ  Do not attach the scanner wire bracket with the screw at this time. 
 
7.  Remove the tape from the  drive pulley. 
8.  Insert a scanner-positioning  pin [L] through the 2nd 
carriage hole [M] and the left 
holes [N] in the front rail. Insert 
another scanner positioning 
pin [O] through the 1st 
carriage hole [P] and the right 
holes in the front rail [Q]. 
9.  Insert two more scanner  positioning pins through the 
holes in the rear rail. 
10.  Screw the drive pulley to the shaft [R]. 
11.  Screw the scanner wire bracket to the front rail [S]. 
⇒
Rev. 03/2007
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B230/B237/D042 3-26 SM 
12.  Install the scanner wire clamp [T]. 
13.  Pull out the positioning pins.   
14.  After you replace the wire, do the adjustments in the following section of the 
manual: Image Adjustment – Scanning. 
 
ƒ  Make sure the 1st and 2nd carriages move smoothly after you remove the 
positioning pins. Do steps 8  through 13 again if they do not. 
3.5.8 REAR SCANNER WIRE 
Reinstalling the Rear Scanner Wire 
 
1.  Position the center ball [A] in the middle of the forked holder. 
2.  Pass the left end (with the ball) [B] through the drive pulley notch. Pass the right  end (with the ring) [C] through the drive pulley hole.   
3.  Wind the left end [B] clockwise (shown  from the machine’s front) five times. 
Wind the right end [C] counterclockwise three times. 
 
ƒ  The two red marks [D] come together when  you do this. Attach the wire to the 
pulley with tape. This lets you easily  handle the assembly at the time of 
installation. 
4.  Install the drive pulley on the shaft. 
 
ƒ  Do not attach the pulley on the shaft with the screw at this time. 
5. Install the wire.  
 
ƒ  The winding of the wire on the three pu lleys at the rear of the scanner should   
⇒ 
Rev. 03/2007
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SM 3-27 B230/B237/D042 
Replacement 
Adjustment 
be the same as the winding on the three pu lleys at the front. This must show 
as a mirror image. 
Example: At the front of the machine, t he side of the drive pulley with the three 
windings must face the front of the machine. At the rear of the machine, it must face 
the rear. 
6.  Do steps 7 through 13 again in the “” Section. 
3.5.9  TOUCH PANEL PO SITION ADJUSTMENT 
 
ƒ  It is necessary to calibrate t ouch panel at the following times: 
ƒ  When you replace the operation panel. 
ƒ  When you replace the controller board. 
ƒ  When the touch panel detection  function does not operate correctly 
Do not use items [2] to [9] on the Self-Di agnostic Menu. These items are for design use 
only. 
1. Press 
, press , press   5 times to open the Self-Diagnostics 
menu. 
 
2.  On the touch screen press “Touch Screen Adjust” (or press 
). 
3.  Use a pointed (not sharp) tool to press the upper left mark 
. 
 
4.  Press the lower right mark when “
” shows. 
5.  Touch a few spots on the touch panel to make sure that the marker “+” shows 
exactly where the screen is touched. 
6.  Press Cancel. Then start from Step 2 again if the “+” mark does not show where  the screen is touched. 
7.  Press [#] OK on the screen (or press 
) when you are finished.
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B230/B237/D042 3-28 SM 
8.  Touch [#] Exit on the screen to close the Self-Diagnostic menu. Save the 
calibration settings.
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SM 3-29 B230/B237/D042 
Replacement 
Adjustment 
3.6 LASER OPTICS 
 
ƒ  Turn off the main switch and unplug t he machine before beginning any of the 
procedures in this section. Laser  beams can cause serious eye injury. 
3.6.1  CAUTION DECAL LOCATION 
Caution decals are 
placed as shown at 
the right. 
 
 
 
 
 
 
 
 
 
 
 
 
ƒ  Be sure to turn off the main switch  and disconnect the power plug from the power 
outlet before beginning any disassembly or  adjustment of the laser unit. This 
copier uses a class IIIb laser beam with  a wavelength of 655 nm and an output of 7 
mW. The laser can cause serious eye injury. 
3.6.2  LASER OPTICS HOUSING UNIT 
 
ƒ  Before installing a new laser optics housing unit, remove the sponge padding and 
the tag from the new unit. 
 
ƒ  A new laser optics housing unit has a bra cket to protect the LD units. When you 
install the new unit, do not remove the bracket until near the end of the installation 
procedure. (The correct time is stated in  the manual.) This bracket protects a 
capacitor on the unit. If the bracket is removed too early, you could break the 
capacitor on the corner of the main frame when you install the new unit. 
⇒ 
Rev. 03/2007
⇒
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B230/B237/D042 3-30 SM 
Preparing the new laser optics housing unit 
 
1.  Shutter [A] of the laser optics housing unit (
 x 3) 
 
2.  Polygon motor cover [B] of the laser optics housing unit (
 x 4) 
3.  Sponge padding [C] 
4. Tag [D] 
5.  Reinstall the polygon motor cover [B]. 
Before removing the old laser optics housing unit 
Do the following settings before removing  the laser optics housing unit. These are 
adjustments for skew adjustment moto rs in the laser optics housing unit. 
1.  Plug in and turn on the main power switch of the copier. 
2.  Enter the SP mode. 
3.  Execute SP9511-001 to clear the WT L positioning motor setting for Magenta. 
4.  Execute SP9511-002 to clear the WT L positioning motor setting for Cyan. 
5.  Execute SP9511-003 to clear the WT L positioning motor setting for Yellow. 
6.  Exit the SP mode.
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