Ricoh B230 Service Manual

 
SM 3-23 B230/B237 
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...

 
B230/B237 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 (shown 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 easily...

 
SM 3-25 B230/B237 
Replacement 
Adjustment 
ƒ  Do not attach the pulley to the shaft 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...

 
B230/B237 3-26  SM 
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]. 
12.  Install the scanner wire clamp [T]. 
13.  Pull out the positioning pins.   
 
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...

 
SM 3-27 B230/B237 
Replacement 
Adjustment 
be the same as the winding on the three pulleys at the front. This must show 
as a mirror image. 
Example: At the front of the machine, the 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 POSITION ADJUSTMENT 
 
ƒ  It is necessary to calibrate touch panel at the following times: 
ƒ  When you replace...

 
B230/B237 3-28  SM 
8.  Touch [#] Exit on the screen to close the Self-Diagnostic menu. Save the 
calibration settings.    

 
SM 3-29 B230/B237 
Replacement 
Adjustment 
3.6 LASER OPTICS 
 
ƒ  Turn off the main switch and unplug the 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 below. 
 
 
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...

 
B230/B237 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 motors in the laser optics housing unit. 
1.  Plug in and turn...

 
SM 3-31 B230/B237 
Replacement 
Adjustment 
7.  Turn off the main power switch and disconnect the power cord of the copier. 
Recovery procedure for SC285 and no replacement preparation of 
laser optics housing unit 
If SC285 occurs or you did not do the procedure in ‘Before removing the old laser optics 
housing’ before removing the old laser optics housing unit, you must do the following. 
1.  Turn off the main power switch and disconnect the power cord of the copier. 
2.  Remove the left cover and...

 
B230/B237 3-32  SM 
 
2.  Harness cover bracket [B] (
 x 4). 
 
3.  Rear fan bracket [C] for the laser housing optics unit (
 x 3,  x 7) 
4.  Front fan bracket [D] for the laser housing optics unit (
 x 2) 
 
5.  Remove the old laser optics housing unit [E] (
 x 2,  x 2)