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Ricoh B230 Service Manual

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SM 3-63 B230/B237 
Replacement 
Adjustment 
 
18.  Disconnect all the connectors (
 x 12). 
 
19.  Gear unit [C] (
  x 7, timing belt x 1)
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B230/B237 3-64  SM 
3.10.3 REGISTRATION MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  Drum/development motor-K (
 Drum/Development Motor-K) 
4.  Registration motor bracket [A] (
 x 3,  x 1,   x 2, timing belt x 1) 
5.  Remove the registration motor from the bracket (
 x 2). 
3.10.4  PAPER FEED MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  PSU bracket (
 PSU) 
4.  Right rear cover (
  Right Rear Cover) 
5.  Paper feed clutch 1 and 2 (
  Paper Feed Clutches)
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SM 3-65 B230/B237 
Replacement 
Adjustment 
6.  Paper feed motor bracket [A] ( x 5,  x 1,  x 3) 
 
7.  Paper feed motor [B] (
  x 2, timing belt x 1) 
3.10.5 DRUM/DEVELOPMENT MOTOR-K 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  Drum/Development motor-K [A] (
 x 4,  x 1)
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B230/B237 3-66  SM 
3.10.6  ITB DRIVE MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  ITB drive motor [A] (
 x 4,  x 1) 
3.10.7 FUSING/PAPER EXIT MOTOR 
 
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.  Fusing/paper exit motor [B] (
 x 4,  x 1)
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SM 3-67 B230/B237 
Replacement 
Adjustment 
3.10.8 IMAGE TRANSFER BELT CONTACT MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  Open the controller box. (
 Controller Box) 
3.  Transfer belt contact motor [A] (
 x 2,  x 1,  x 1) 
3.10.9 PAPER TRANSFER CONTACT MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  Right rear cover (
  Right Rear Cover) 
4.  Paper transfer contact motor [A] (
 x 2,  x 1)
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B230/B237 3-68  SM 
3.10.10 DUPLEX  INVERTER  MOTOR 
 
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.  Duplex inverter motor [B] (
 x 2,  x 1,  x 1) 
3.10.11 TONER  TRANSPORT MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  Controller box (
 Controller Box) 
3.  Toner transport motor [A] (
 x 3,  x 1)
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SM 3-69 B230/B237 
Replacement 
Adjustment 
3.10.12 TONER  COLLECTION  UNIT 
 
1.  Gear unit (
 Gear Unit) 
2.  Toner collection unit [A] (
 x 6,  x 3) 
3.10.13 PAPER FEED CLUTCHES 
 
1.  Rear cover (
 Rear Cover) 
2.  High voltage supply board bracket (
  High Voltage Supply Board Bracket) 
3.  PSU bracket (
 PSU) 
4.  Paper feed clutch 1 bracket [A] (
 x 2,   x 1, bushing x 1)
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B230/B237 3-70  SM 
 
5.  Paper feed clutch 1 [B] (
 x 1,  x 1) 
 
6.  Paper feed clutch 2 bracket [C] (
 x 2,   x 1, bushing x 1) 
7.  Paper feed clutch 2 (
 x 1,  x 1) 
3.10.14 DRUM  MOTOR-MCY 
 
ƒ  Do not remove the PCUs when you replace the drum motor-MCY.
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SM 3-71 B230/B237 
Replacement 
Adjustment 
1.  Rear cover ( Rear Cover) 
2.  Open the controller box. (
 Controller Box) 
3.  Drum motor-MCY [A] (
 x 4,  x 1) 
3.10.15 DEVELOPMENT  MOTOR-MCY 
 
1.  Rear cover (
 Rear Cover) 
2.  PSU bracket (
 PSU) 
3.  Open the controller box. (
 Controller Box). 
4.  Development motor-MCY [A] (
 x 4,  x 1) 
3.10.16 DEVELOPMENT CLUTCH-K 
 
1.  Rear cover (
 Rear Cover) 
2.  Open the controller box. (
 Controller Box). 
3.  Development clutch-K [A] (
 x 2,  x 1,  x 1)
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B230/B237 3-72  SM 
3.11 FUSING 
3.11.1 FUSING UNIT 
 
ƒ  Turn off the main switch and wait until the fusing unit cools down before beginning 
any of the procedures in this section. The fusing unit can cause serious burns. 
 
1.  If you will install a lot of new parts in the fusing unit (at PM for example), then set 
SP 3902-014 to 1. 
 
ƒ  If you do this, then the machine will reset the PM counter for the fusing unit 
automatically, after you turn the power on again. 
Do not do this if you replace the complete fusing unit. This is because the 
fusing unit has a new detection mechanism. 
2.  Turn off the main power switch. 
3.  Open the right door. 
4.  Release the lock levers [A]. 
5. Fusing unit [B]
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