Ricoh B230 Service Manual
Have a look at the manual Ricoh B230 Service Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 127 Ricoh manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
![Page 166
B230/B237 3-38 SM
Note: Remove the toner duct [G] first to avoid breaking it during this procedure.
5. Remove the bushing [C] of the development roller at the rear of the PCU (
x 1).
6. Remove the front joint [D] (
x 1, x 1).
ƒ The front joint [D] is firmly set. Remove it with a watchmaker’s or jeweller’s
screwdriver.
7. Drum unit [E] and Development Unit [F]
[G]](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-165.png "Page 166
B230/B237 3-38 SM
Note: Remove the toner duct [G] first to avoid breaking it during this procedure.
5. Remove the bushing [C] of the development roller at the rear of the PCU (
x 1).
6. Remove the front joint [D] (
x 1, x 1).
ƒ The front joint [D] is firmly set. Remove it with a watchmaker’s or jeweller’s
screwdriver.
7. Drum unit [E] and Development Unit [F]
[G]")
![Page 167
SM 3-39 B230/B237
Replacement
Adjustment
ƒ When the development unit is removed from the drum unit, clean the entrance
mylar [G] with a vacuum.
8. If you change the development unit, do the ACC procedure.
Developer
1. Set SP 3902-xxx to 1.
Black: 3902-005
Yellow: 3902-006
Cyan: 3902-007
Magenta: 3902-008
2. Turn the machine power off.
3. Development unit (
Drum Unit and Development Unit)
4. Hopper cover [A] (hook x 3)
5. Shake a bag of developer and pour it into the...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-166.png "Page 167
SM 3-39 B230/B237
Replacement
Adjustment
ƒ When the development unit is removed from the drum unit, clean the entrance
mylar [G] with a vacuum.
8. If you change the development unit, do the ACC procedure.
Developer
1. Set SP 3902-xxx to 1.
Black: 3902-005
Yellow: 3902-006
Cyan: 3902-007
Magenta: 3902-008
2. Turn the machine power off.
3. Development unit (
Drum Unit and Development Unit)
4. Hopper cover [A] (hook x 3)
5. Shake a bag of developer and pour it into the...")
![Page 169
SM 3-41 B230/B237
Replacement
Adjustment
3.7.4 TONER SUPPLY TUBE FAN
1. Rear cover (
Rear Cover)
2. High voltage supply board bracket (
High Voltage Supply Board Bracket)
3. Toner supply tube fan duct [A] (
x 3, x 1, x 1)
4. Split the fan duct (4 hooks).
5. Toner supply tube fan [B]
When reinstalling the toner supply tube fan
Make sure that the toner supply tube fan is installed with its decal facing to the rear of the
machine.
3.7.5 TONER PUMP UNIT
There are four pump units...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-168.png "Page 169
SM 3-41 B230/B237
Replacement
Adjustment
3.7.4 TONER SUPPLY TUBE FAN
1. Rear cover (
Rear Cover)
2. High voltage supply board bracket (
High Voltage Supply Board Bracket)
3. Toner supply tube fan duct [A] (
x 3, x 1, x 1)
4. Split the fan duct (4 hooks).
5. Toner supply tube fan [B]
When reinstalling the toner supply tube fan
Make sure that the toner supply tube fan is installed with its decal facing to the rear of the
machine.
3.7.5 TONER PUMP UNIT
There are four pump units...")
![Page 170
B230/B237 3-42 SM
1. Front door (
Rear Cover)
2. Image transfer belt unit (
Image Transfer Belt)
3. All PCUs (
PCU)
4. Put a sheet of paper (A3/DLT) inside the machine as shown and on the floor.
ƒ The sheet of paper on the floor is used in a later step.
5. Release the harness [A] from the clamp (
x 1 for YCM, x 3 for K) and hook,
and then disconnect the harness.
ƒ Avoid touching these spring terminals [B].
6. Release the toner supply tube [C].](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-169.png "Page 170
B230/B237 3-42 SM
1. Front door (
Rear Cover)
2. Image transfer belt unit (
Image Transfer Belt)
3. All PCUs (
PCU)
4. Put a sheet of paper (A3/DLT) inside the machine as shown and on the floor.
ƒ The sheet of paper on the floor is used in a later step.
5. Release the harness [A] from the clamp (
x 1 for YCM, x 3 for K) and hook,
and then disconnect the harness.
ƒ Avoid touching these spring terminals [B].
6. Release the toner supply tube [C].")
![Page 171
SM 3-43 B230/B237
Replacement
Adjustment
7. Remove the toner pump unit [D] (
x 2)
Make sure that a sheet of paper is attached to the frame of the rear side and covers the
four gears. The picture on the left shows a sheet of paper that is correctly set, but the
picture on the right shows a sheet of paper that is not correctly set. This sheet of paper
prevents toner and screws from falling into the laser optics housing unit through
cutouts.
8. Slowly remove the toner supply tube [E]...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-170.png "Page 171
SM 3-43 B230/B237
Replacement
Adjustment
7. Remove the toner pump unit [D] (
x 2)
Make sure that a sheet of paper is attached to the frame of the rear side and covers the
four gears. The picture on the left shows a sheet of paper that is correctly set, but the
picture on the right shows a sheet of paper that is not correctly set. This sheet of paper
prevents toner and screws from falling into the laser optics housing unit through
cutouts.
8. Slowly remove the toner supply tube [E]...")
![Page 172
B230/B237 3-44 SM
tube right and left.
9. Turn up the openings of the toner pump unit and toner supply tube just after
removing the tube.
ƒ If not, the toner may scatter away and fall down.
10. Put the toner pump unit on the sheet of paper, which has been put in step 4, with
its opening [F] up.
11. Keep the opening [G] of the toner supply tube up, and then clip the opening of
the toner supply.
When you install the new toner pump unit
Before installing the new toner pump unit,...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-171.png "Page 172
B230/B237 3-44 SM
tube right and left.
9. Turn up the openings of the toner pump unit and toner supply tube just after
removing the tube.
ƒ If not, the toner may scatter away and fall down.
10. Put the toner pump unit on the sheet of paper, which has been put in step 4, with
its opening [F] up.
11. Keep the opening [G] of the toner supply tube up, and then clip the opening of
the toner supply.
When you install the new toner pump unit
Before installing the new toner pump unit,...")
![Page 173
SM 3-45 B230/B237
Replacement
Adjustment
1. Put a sheet of paper (A3/DLT) inside the machine.
2. Turn up the opening of the toner supply tube, and then remove the object that
was used to clip the opening of the toner supply tube.
3. Insert the opening of the toner pump unit [A] into the opening of the toner
supply tube [B] as far as possible.
4. Connect the harness [C] to the connector of the machine.
ƒ On the above picture, the magnified picture of the connector shows the
easiest...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-172.png "Page 173
SM 3-45 B230/B237
Replacement
Adjustment
1. Put a sheet of paper (A3/DLT) inside the machine.
2. Turn up the opening of the toner supply tube, and then remove the object that
was used to clip the opening of the toner supply tube.
3. Insert the opening of the toner pump unit [A] into the opening of the toner
supply tube [B] as far as possible.
4. Connect the harness [C] to the connector of the machine.
ƒ On the above picture, the magnified picture of the connector shows the
easiest...")
![Page 174
B230/B237 3-46 SM
ƒ Avoid touching these spring terminals [D].
6. Pass the harness of the toner pump unit behind the hook [E], while pressing at
[F].
7. Secure the toner supply tube with the holder [G], lifting up the edge of the holder
very gently.
ƒ Be careful when you lift the edge of the holder, because the holder is easily
broken.
8. Insert the toner pump unit [H] into the rear frame of the machine (
x 2).](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-173.png "Page 174
B230/B237 3-46 SM
ƒ Avoid touching these spring terminals [D].
6. Pass the harness of the toner pump unit behind the hook [E], while pressing at
[F].
7. Secure the toner supply tube with the holder [G], lifting up the edge of the holder
very gently.
ƒ Be careful when you lift the edge of the holder, because the holder is easily
broken.
8. Insert the toner pump unit [H] into the rear frame of the machine (
x 2).")
![Page 175
SM 3-47 B230/B237
Replacement
Adjustment
3.7.6 TONER END SENSOR
1. Rear cover (
Rear Cover)
2. Controller box (
Controller Box)
3. Toner end sensor [A] (
x 1, 2 hooks each)](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-174.png "Page 175
SM 3-47 B230/B237
Replacement
Adjustment
3.7.6 TONER END SENSOR
1. Rear cover (
Rear Cover)
2. Controller box (
Controller Box)
3. Toner end sensor [A] (
x 1, 2 hooks each)")
![Page 176
B230/B237 3-48 SM
3.8 IMAGE TRANSFER
3.8.1 IMAGE TRANSFER BELT UNIT
1. Open the right door.
2. Open the front door
3. Open the drum positioning plate. (
PCU)
4. Turn the image transfer belt unit lock lever [A] counterclockwise.
5. Pull out the image transfer belt unit [B] halfway.
6. Grasp the handles [C], and then pull out the image transfer belt unit fully.](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-175.png "Page 176
B230/B237 3-48 SM
3.8 IMAGE TRANSFER
3.8.1 IMAGE TRANSFER BELT UNIT
1. Open the right door.
2. Open the front door
3. Open the drum positioning plate. (
PCU)
4. Turn the image transfer belt unit lock lever [A] counterclockwise.
5. Pull out the image transfer belt unit [B] halfway.
6. Grasp the handles [C], and then pull out the image transfer belt unit fully.")
SM 3-43 B230/B237 Replacement Adjustment 7. Remove the toner pump unit [D] ( x 2) Make sure that a sheet of paper is attached to the frame of the rear side and covers the four gears. The picture on the left shows a sheet of paper that is correctly set, but the picture on the right shows a sheet of paper that is not correctly set. This sheet of paper prevents toner and screws from falling into the laser optics housing unit through cutouts. 8. Slowly remove the toner supply tube [E] from the toner pump unit by pulling the
B230/B237 3-44 SM tube right and left. 9. Turn up the openings of the toner pump unit and toner supply tube just after removing the tube. ƒ If not, the toner may scatter away and fall down. 10. Put the toner pump unit on the sheet of paper, which has been put in step 4, with its opening [F] up. 11. Keep the opening [G] of the toner supply tube up, and then clip the opening of the toner supply. When you install the new toner pump unit Before installing the new toner pump unit, mask the opening of the old toner pump unit with tape. Dispose of it following local rules.
SM 3-45 B230/B237 Replacement Adjustment 1. Put a sheet of paper (A3/DLT) inside the machine. 2. Turn up the opening of the toner supply tube, and then remove the object that was used to clip the opening of the toner supply tube. 3. Insert the opening of the toner pump unit [A] into the opening of the toner supply tube [B] as far as possible. 4. Connect the harness [C] to the connector of the machine. ƒ On the above picture, the magnified picture of the connector shows the easiest way to connect it. 5. Clamp the harness [C] ( x 1 for YCM, x 3 for K).
B230/B237 3-46 SM ƒ Avoid touching these spring terminals [D]. 6. Pass the harness of the toner pump unit behind the hook [E], while pressing at [F]. 7. Secure the toner supply tube with the holder [G], lifting up the edge of the holder very gently. ƒ Be careful when you lift the edge of the holder, because the holder is easily broken. 8. Insert the toner pump unit [H] into the rear frame of the machine ( x 2).
SM 3-47 B230/B237 Replacement Adjustment 3.7.6 TONER END SENSOR 1. Rear cover ( Rear Cover) 2. Controller box ( Controller Box) 3. Toner end sensor [A] ( x 1, 2 hooks each)
B230/B237 3-48 SM 3.8 IMAGE TRANSFER 3.8.1 IMAGE TRANSFER BELT UNIT 1. Open the right door. 2. Open the front door 3. Open the drum positioning plate. ( PCU) 4. Turn the image transfer belt unit lock lever [A] counterclockwise. 5. Pull out the image transfer belt unit [B] halfway. 6. Grasp the handles [C], and then pull out the image transfer belt unit fully.
SM 3-49 B230/B237 Replacement Adjustment 3.8.2 IMAGE TRANSFER BELT CLEANING UNIT 1. If you will install a new belt cleaning unit, then set SP 3902-015 to 1. ƒ If you do this, then the machine will reset the PM counter for the belt cleaning unit automatically, after you turn the power on again. Do not use SP3902-015 or 013 if you replace the complete ITB unit. 2. Turn off the main power switch. 3. Open the right door. 4. Open the front door 5. Open the drum positioning plate. ( PCU) 6. Loosen the screw [A]. 7. Turn the lock lever [B] clockwise 8. Pull out the image transfer belt cleaning unit [C].
B230/B237 3-50 SM 3.8.3 IMAGE TRANSFER BELT 1. Image transfer belt cleaning unit ( Image Transfer Belt Cleaning Unit) 2. Image transfer belt unit ( PCU) 3. Turn the image transfer unit contact lever [A] counterclockwise (as seen from the rear). 4. Gear [B] (hook x 1) 5. Turn the gear cover [C] clockwise (as seen from the rear) ( x 1) [D]. 6. Image transfer belt unit top cover [D] ( x 6). [D]
SM 3-51 B230/B237 Replacement Adjustment 7. Three stays [E] ( x 6) 8. Guide plate [F] (as seen from the right side of the machine) ( x 2) 9. Remove the two screws and then rear hold bracket [G] (as seen from the rear).
B230/B237 3-52 SM 10. Remove the two screws and then front hold bracket [H] (as seen from the front). 11. Put the front side of the image transfer belt unit on a corner of the table or a box as shown. 12. Pull the tension roller [I] as shown.