Ricoh B230 Service Manual
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![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.")
![Page 178
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]](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-177.png "Page 178
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]")
![Page 179
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).](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-178.png "Page 179
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).")
![Page 180
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.](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-179.png "Page 180
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.")
![Page 181
SM 3-53 B230/B237
Replacement
Adjustment
13. Image transfer belt [J]
When reinstalling the image transfer belt
ƒ Clean all rollers with dry cloth before installing the image transfer belt.
ƒ Make sure that the tape [A] inside the front or rear edge of the image transfer belt
catches the rim [B] of the tension roller or image transfer belt drive roller.
ƒ Two tapes (width [C]: about 5 mm) are attached inside the front and rear edge
of the image transfer belt.](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-180.png "Page 181
SM 3-53 B230/B237
Replacement
Adjustment
13. Image transfer belt [J]
When reinstalling the image transfer belt
ƒ Clean all rollers with dry cloth before installing the image transfer belt.
ƒ Make sure that the tape [A] inside the front or rear edge of the image transfer belt
catches the rim [B] of the tension roller or image transfer belt drive roller.
ƒ Two tapes (width [C]: about 5 mm) are attached inside the front and rear edge
of the image transfer belt.")
![Page 182
B230/B237 3-54 SM
ƒ This belt must be installed the correct way around. When you reinstall the image
transfer belt unit, install it with the painted number [D] on the belt at the rear side of the
unit.
ƒ Put Lubricant Powder (B132 9700) on the surface of the image transfer belt [A], while
you turn the drive gear [B] at a constant speed, as shown. (The straight arrow in the
picture shows belt movement direction.) Lubricant powder prevents the image transfer
cleaning blade from turning up....](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-181.png "Page 182
B230/B237 3-54 SM
ƒ This belt must be installed the correct way around. When you reinstall the image
transfer belt unit, install it with the painted number [D] on the belt at the rear side of the
unit.
ƒ Put Lubricant Powder (B132 9700) on the surface of the image transfer belt [A], while
you turn the drive gear [B] at a constant speed, as shown. (The straight arrow in the
picture shows belt movement direction.) Lubricant powder prevents the image transfer
cleaning blade from turning up....")
![Page 183
SM 3-55 B230/B237
Replacement
Adjustment
3.9 PAPER TRANSFER
3.9.1 PAPER TRANSFER ROLLER UNIT
If you will install a new paper transfer unit, then set SP 3902-016 to 1.
ƒ If you do this, then the machine will reset the PM counter for the paper transfer unit
automatically, after you turn the power on again.
1. Open the right door.
2. Release the two locks [A].
3. Paper transfer roller unit [B]
3.9.2 PAPER TRANSFER UNIT
If you will install a new paper transfer unit, then set SP...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-182.png "Page 183
SM 3-55 B230/B237
Replacement
Adjustment
3.9 PAPER TRANSFER
3.9.1 PAPER TRANSFER ROLLER UNIT
If you will install a new paper transfer unit, then set SP 3902-016 to 1.
ƒ If you do this, then the machine will reset the PM counter for the paper transfer unit
automatically, after you turn the power on again.
1. Open the right door.
2. Release the two locks [A].
3. Paper transfer roller unit [B]
3.9.2 PAPER TRANSFER UNIT
If you will install a new paper transfer unit, then set SP...")
![Page 184
B230/B237 3-56 SM
2. Open the right door.
3. Remove the clip ring [A].
4. Move the vertical transport unit to the left side with lever Z [B].
5. Remove the pin [C], and then remove the harness cover [D].
6. You do not need to remove the pin bushing [E] from the harness cover.
7. Disconnect the connector [F] and release the clamp [G].](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-183.png "Page 184
B230/B237 3-56 SM
2. Open the right door.
3. Remove the clip ring [A].
4. Move the vertical transport unit to the left side with lever Z [B].
5. Remove the pin [C], and then remove the harness cover [D].
6. You do not need to remove the pin bushing [E] from the harness cover.
7. Disconnect the connector [F] and release the clamp [G].")
![Page 185
SM 3-57 B230/B237
Replacement
Adjustment
8. Remove the bushing [H] (
x 1).
9. Slide up the paper transfer unit [I], and then remove it.
3.9.3 ID SENSOR BOARD
1. K PCU (
PCU)
2. Rear cover (
Rear Cover)](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-184.png "Page 185
SM 3-57 B230/B237
Replacement
Adjustment
8. Remove the bushing [H] (
x 1).
9. Slide up the paper transfer unit [I], and then remove it.
3.9.3 ID SENSOR BOARD
1. K PCU (
PCU)
2. Rear cover (
Rear Cover)")
![Page 186
B230/B237 3-58 SM
3. Right rear cover ( Right Rear Cover)
4. Duplex unit (
Duplex Unit)
5. Fusing unit (
Fusing Unit)
6. Image transfer belt unit (
Image Transfer Belt Unit)
7. ID sensor unit [A] (
x 2, x 2, x 1)
8. ID sensor board [B] (
x 6)
Cleaning for ID sensors
ID sensors require a cleaning procedure every 320K. Do the following steps for ID sensor
cleaning.
1. K PCU (
PCU)
2. Fusing unit (
Fusing Unit)
3. Image transfer belt unit (
Image Transfer Belt Unit)
4....](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-185.png "Page 186
B230/B237 3-58 SM
3. Right rear cover ( Right Rear Cover)
4. Duplex unit (
Duplex Unit)
5. Fusing unit (
Fusing Unit)
6. Image transfer belt unit (
Image Transfer Belt Unit)
7. ID sensor unit [A] (
x 2, x 2, x 1)
8. ID sensor board [B] (
x 6)
Cleaning for ID sensors
ID sensors require a cleaning procedure every 320K. Do the following steps for ID sensor
cleaning.
1. K PCU (
PCU)
2. Fusing unit (
Fusing Unit)
3. Image transfer belt unit (
Image Transfer Belt Unit)
4....")
SM 3-53 B230/B237 Replacement Adjustment 13. Image transfer belt [J] When reinstalling the image transfer belt ƒ Clean all rollers with dry cloth before installing the image transfer belt. ƒ Make sure that the tape [A] inside the front or rear edge of the image transfer belt catches the rim [B] of the tension roller or image transfer belt drive roller. ƒ Two tapes (width [C]: about 5 mm) are attached inside the front and rear edge of the image transfer belt.
B230/B237 3-54 SM ƒ This belt must be installed the correct way around. When you reinstall the image transfer belt unit, install it with the painted number [D] on the belt at the rear side of the unit. ƒ Put Lubricant Powder (B132 9700) on the surface of the image transfer belt [A], while you turn the drive gear [B] at a constant speed, as shown. (The straight arrow in the picture shows belt movement direction.) Lubricant powder prevents the image transfer cleaning blade from turning up. ƒ Do not put the lubricant powder at the right side of the image transfer belt unit (the above picture is taken from the rear). Otherwise, lubricant powder may damage the encoder sensor.
SM 3-55 B230/B237 Replacement Adjustment 3.9 PAPER TRANSFER 3.9.1 PAPER TRANSFER ROLLER UNIT If you will install a new paper transfer unit, then set SP 3902-016 to 1. ƒ If you do this, then the machine will reset the PM counter for the paper transfer unit automatically, after you turn the power on again. 1. Open the right door. 2. Release the two locks [A]. 3. Paper transfer roller unit [B] 3.9.2 PAPER TRANSFER UNIT If you will install a new paper transfer unit, then set SP 3902-016 to 1. ƒ If you do this, then the machine will reset the PM counter for the paper transfer unit automatically, after you turn the power on again. 1. Turn off the main power switch.
B230/B237 3-56 SM 2. Open the right door. 3. Remove the clip ring [A]. 4. Move the vertical transport unit to the left side with lever Z [B]. 5. Remove the pin [C], and then remove the harness cover [D]. 6. You do not need to remove the pin bushing [E] from the harness cover. 7. Disconnect the connector [F] and release the clamp [G].
SM 3-57 B230/B237 Replacement Adjustment 8. Remove the bushing [H] ( x 1). 9. Slide up the paper transfer unit [I], and then remove it. 3.9.3 ID SENSOR BOARD 1. K PCU ( PCU) 2. Rear cover ( Rear Cover)
B230/B237 3-58 SM 3. Right rear cover ( Right Rear Cover) 4. Duplex unit ( Duplex Unit) 5. Fusing unit ( Fusing Unit) 6. Image transfer belt unit ( Image Transfer Belt Unit) 7. ID sensor unit [A] ( x 2, x 2, x 1) 8. ID sensor board [B] ( x 6) Cleaning for ID sensors ID sensors require a cleaning procedure every 320K. Do the following steps for ID sensor cleaning. 1. K PCU ( PCU) 2. Fusing unit ( Fusing Unit) 3. Image transfer belt unit ( Image Transfer Belt Unit) 4. Slide the ID sensor shutter [A] to the left side. 5. Clean the ID sensors keeping the ID sensor shutter to the left. After installing a new ID sensor unit/board Do the following adjustment after installing a new ID sensor unit/board. 1. Plug in and turn on the main power switch of the copier. 2. Enter the SP mode. 3. Input all correction coefficients [A] for the ID sensor with the SP modes referring to the barcode sheet provided with the new ID sensor unit/board. ƒ For example, input 1.00 with SP3-362-013. 4. Exit the SP mode.
B230/B237 3-60 SM 3.10 DRIVE UNIT The drawing above shows the drive unit layout. 1. Fusing/paper exit motor 2. ITB drive motor 3. Paper transfer contact motor 4. Registration motor 5. Paper feed motor 6. Paper feed clutch – Tray 2 7. Paper feed clutch – Tray 1 8. Drum/Development drive motor-K 9. Development drive motor-CMY 10. Toner transport motor 11. Image transfer belt contact motor 12. Drum drive motor-CMY There are some motors and clutches, which are not shown in the above drawing: ƒ Tray lift motor 1 and 2 ƒ Duplex inverter motor ƒ Duplex/By-pass Motor ƒ Shutter motor ƒ Development clutch
SM 3-61 B230/B237 Replacement Adjustment 3.10.1 DRIVE UNIT FAN 1. Rear cover ( Rear Cover) 2. Right rear cover ( Right Rear Cover) 3. High voltage supply board bracket ( High Voltage Supply Board Bracket) 4. Remove the drive unit fan [A] ( x 1, x 1, hook x 2) When installing the drive unit fan Make sure that the drive unit fan is installed with its decal facing to the right side. 3.10.2 GEAR UNIT ƒ Do not remove the drum motor-MCY from the gear unit. It is not easy in the field to adjust the gear position between the drum motor MCY and the gear unit. 1. Rear cover ( Rear Cover) 2. High voltage supply board bracket ( High Voltage Supply Board Bracket) 3. Controller box ( Controller Box) 4. Toner supply tube fan duct ( Toner Supply Tube Fan)
B230/B237 3-62 SM 5. Release the four hooks of the duct from the frame. 6. Remove the drive unit fan duct [A] ( x 1, x 1, x 1). 7. PSU bracket ( PSU) 8. IOB bracket ( IOB) 9. Drum/development motor-K ( Drum/Development Motor-K) 10. Image transfer belt contact motor( Image Transfer Belt Contact Motor) 11. Toner transport motor ( Toner Transport Motor) 12. Open the front door and right door. 13. Open the drum positioning plate. 14. Pull the image transfer belt unit a little ( Image Transfer Belt Unit). 15. Pull the four PCUs a little ( PCU). 16. Release all the clamps on the rear side of the gear unit ( x 11). 17. Release all the clamps [B] on the top of the gear unit ( x 4).