Ricoh B230 Service Manual
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![Page 156
B230/B237 3-28 SM
8. Touch [#] Exit on the screen to close the Self-Diagnostic menu. Save the
calibration settings.](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-155.png "Page 156
B230/B237 3-28 SM
8. Touch [#] Exit on the screen to close the Self-Diagnostic menu. Save the
calibration settings.")
![Page 158
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...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-157.png "Page 158
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...")
![Page 160
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)](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-159.png "Page 160
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)")
![Page 161
SM 3-33 B230/B237
Replacement
Adjustment
Installing a new Laser Optics Housing Unit
ƒ A new laser optics housing unit has a bracket to protect the LD units. When you
replace the laser optics housing unit, use caution.
1. Push the new laser optics housing unit [A] slowly into the copier until the
bracket [B] bumps against the frame of the copier.
2. Remove the bracket [B], and then push the new laser optics housing unit fully
into the copier (
x 2, All x ).
3. Reassemble the machine....](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-160.png "Page 161
SM 3-33 B230/B237
Replacement
Adjustment
Installing a new Laser Optics Housing Unit
ƒ A new laser optics housing unit has a bracket to protect the LD units. When you
replace the laser optics housing unit, use caution.
1. Push the new laser optics housing unit [A] slowly into the copier until the
bracket [B] bumps against the frame of the copier.
2. Remove the bracket [B], and then push the new laser optics housing unit fully
into the copier (
x 2, All x ).
3. Reassemble the machine....")
![Page 162
B230/B237 3-34 SM
main scan magnification adjustment with SP2-185-001.
ƒ The value [A] is different for each laser optics housing unit.
2. Print the test pattern (14: 1-dot trimming pattern in the SP2-109-003).
3. Check that the left and right trim margin is within 4 ± 1 mm. If not, change the
standard value for the main scan magnification adjustment.
3. Adjust the main scan registration only for the black (Bk).
1. Input the registration value [B] provided with a new laser optics housing...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-161.png "Page 162
B230/B237 3-34 SM
main scan magnification adjustment with SP2-185-001.
ƒ The value [A] is different for each laser optics housing unit.
2. Print the test pattern (14: 1-dot trimming pattern in the SP2-109-003).
3. Check that the left and right trim margin is within 4 ± 1 mm. If not, change the
standard value for the main scan magnification adjustment.
3. Adjust the main scan registration only for the black (Bk).
1. Input the registration value [B] provided with a new laser optics housing...")
![Page 163
SM 3-35 B230/B237
Replacement
Adjustment
3. Polygon mirror motor cover [B] of the laser optics housing unit (
x 4)
4. Polygon mirror motor holder [C] (
x 2)
5. Polygon mirror motor [D] (
x 4, x 1)
After installing the laser optics housing unit:
1. Do the Forced Line Position Adj. Mode c (SP2-111-3).
2. Then do the Forced Line Position Adj. Mode a (SP2-111-1).
To check if SP 2-111-1 was successful, watch the screen during the process. A message is
displayed at the end. Also, you...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-162.png "Page 163
SM 3-35 B230/B237
Replacement
Adjustment
3. Polygon mirror motor cover [B] of the laser optics housing unit (
x 4)
4. Polygon mirror motor holder [C] (
x 2)
5. Polygon mirror motor [D] (
x 4, x 1)
After installing the laser optics housing unit:
1. Do the Forced Line Position Adj. Mode c (SP2-111-3).
2. Then do the Forced Line Position Adj. Mode a (SP2-111-1).
To check if SP 2-111-1 was successful, watch the screen during the process. A message is
displayed at the end. Also, you...")
![Page 164
B230/B237 3-36 SM
3.7 IMAGE CREATION
3.7.1 PCU
ƒ Do not touch the OPC drum. Do not let metal objects touch the development
sleeve.
1. Open the front door.
2. Lever lock [A] (
x 1)
3. Turn the release lever [B] and the image transfer unit contact lever [C]
counter-clockwise.
4. Open the drum positioning plate [D].
5. Pull out the PCU (hold the grip while you pull it out) [E].
3.7.2 DRUM UNIT AND DEVELOPMENT UNIT
The new drum unit has a front cover and a front joint. When you...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-163.png "Page 164
B230/B237 3-36 SM
3.7 IMAGE CREATION
3.7.1 PCU
ƒ Do not touch the OPC drum. Do not let metal objects touch the development
sleeve.
1. Open the front door.
2. Lever lock [A] (
x 1)
3. Turn the release lever [B] and the image transfer unit contact lever [C]
counter-clockwise.
4. Open the drum positioning plate [D].
5. Pull out the PCU (hold the grip while you pull it out) [E].
3.7.2 DRUM UNIT AND DEVELOPMENT UNIT
The new drum unit has a front cover and a front joint. When you...")
![Page 165
SM 3-37 B230/B237
Replacement
Adjustment
And use them for reassembling the new drum unit and development unit.
1. If you install a new drum unit, set SP 3902-xxx to 1.
Black: 3902-009
Yellow: 3902-010
Cyan: 3902-011
Magenta: 3902-012
ƒ If you do this, then the machine will reset the PM counter for the drum unit
automatically, after you turn the power on again.
2. Turn the machine power off.
3. PCU (
PCU)
4. Front cover [A] (
x 2)
ƒ Do not touch the bearing [B] after...](http://img.usermanuals.tech/thumb/64/100811/w64_b230-service-manual-1509630901_d-164.png "Page 165
SM 3-37 B230/B237
Replacement
Adjustment
And use them for reassembling the new drum unit and development unit.
1. If you install a new drum unit, set SP 3902-xxx to 1.
Black: 3902-009
Yellow: 3902-010
Cyan: 3902-011
Magenta: 3902-012
ƒ If you do this, then the machine will reset the PM counter for the drum unit
automatically, after you turn the power on again.
2. Turn the machine power off.
3. PCU (
PCU)
4. Front cover [A] (
x 2)
ƒ Do not touch the bearing [B] after...")
![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]")
SM 3-33 B230/B237 Replacement Adjustment Installing a new Laser Optics Housing Unit ƒ A new laser optics housing unit has a bracket to protect the LD units. When you replace the laser optics housing unit, use caution. 1. Push the new laser optics housing unit [A] slowly into the copier until the bracket [B] bumps against the frame of the copier. 2. Remove the bracket [B], and then push the new laser optics housing unit fully into the copier ( x 2, All x ). 3. Reassemble the machine. After installing the new laser optics housing unit Do the following adjustment after installing the new laser optics housing unit. 1. Plug in and turn on the main power switch. 2. Adjust the main scan magnification only for black (Bk). 1. Input the standard value [A] provided with a new laser optics housing unit for the
B230/B237 3-34 SM main scan magnification adjustment with SP2-185-001. ƒ The value [A] is different for each laser optics housing unit. 2. Print the test pattern (14: 1-dot trimming pattern in the SP2-109-003). 3. Check that the left and right trim margin is within 4 ± 1 mm. If not, change the standard value for the main scan magnification adjustment. 3. Adjust the main scan registration only for the black (Bk). 1. Input the registration value [B] provided with a new laser optics housing unit for the main scan registration adjustment with SP2101-001. ƒ The value [B] is different for each laser optics housing unit. 2. Print the test pattern (14: 1-dot trimming pattern in the SP2-109-003). 3. Check that the left trim margin is within 2 ± 1 mm. If not, change the registration value for the main scan registration adjustment. 4. Select 0 with SP2-109-003 after printing the 1-dot trimming pattern. 5. Do the line position adjustment. 1. First do SP2-111-3. 2. Then do SP2-111-1. To check if SP 2-111-1 was successful, watch the screen during the process. A message is displayed at the end. Also, you can check the result with SP 2-194-10 to -12. 6. Exit the SP mode. 3.6.3 POLYGON MIRROR MOTOR 1. Laser optics housing unit ( Laser Optics Housing Unit) 2. Shutter [A] of the laser housing optics unit ( x 3)
SM 3-35 B230/B237 Replacement Adjustment 3. Polygon mirror motor cover [B] of the laser optics housing unit ( x 4) 4. Polygon mirror motor holder [C] ( x 2) 5. Polygon mirror motor [D] ( x 4, x 1) After installing the laser optics housing unit: 1. Do the Forced Line Position Adj. Mode c (SP2-111-3). 2. Then do the Forced Line Position Adj. Mode a (SP2-111-1). To check if SP 2-111-1 was successful, watch the screen during the process. A message is displayed at the end. Also, you can check the result with SP 2-194-10 to -12.
B230/B237 3-36 SM 3.7 IMAGE CREATION 3.7.1 PCU ƒ Do not touch the OPC drum. Do not let metal objects touch the development sleeve. 1. Open the front door. 2. Lever lock [A] ( x 1) 3. Turn the release lever [B] and the image transfer unit contact lever [C] counter-clockwise. 4. Open the drum positioning plate [D]. 5. Pull out the PCU (hold the grip while you pull it out) [E]. 3.7.2 DRUM UNIT AND DEVELOPMENT UNIT The new drum unit has a front cover and a front joint. When you attach the new drum unit to the development unit, remove a front cover and a front joint at first.
SM 3-37 B230/B237 Replacement Adjustment And use them for reassembling the new drum unit and development unit. 1. If you install a new drum unit, set SP 3902-xxx to 1. Black: 3902-009 Yellow: 3902-010 Cyan: 3902-011 Magenta: 3902-012 ƒ If you do this, then the machine will reset the PM counter for the drum unit automatically, after you turn the power on again. 2. Turn the machine power off. 3. PCU ( PCU) 4. Front cover [A] ( x 2) ƒ Do not touch the bearing [B] after removing the front cover. The bearing is properly applied with lubricant.
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]
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 development hopper [B]. 6. Reattach the hopper cover (hook x 3) 7. Turn the machine power on. The machine initializes the developer and resets the
B230/B237 3-40 SM PM counter for the developer. (For details of the developer initialization result, see Developer Initialization Result in the Troubleshooting chapter. 8. Do the ACC procedure. 3.7.3 TONER COLLECTION BOTTLE If you will install a new bottle, and the old bottle is not in a full or near-full condition, then set SP 3902-017 to 1. ƒ If you do this, then the machine will reset the PM counter for the bottle automatically, after you turn the power on again. ƒ If the bottle is in a full or near-full condition, it is not necessary to do this. 1. Turn off the main power switch. 2. Open the front door and remove the screw [A]. 3. Close the front door. 4. Pull out tray 1 [B]. 5. Open the toner collection bottle door [C]. 6. Pull out the toner collection bottle [D]. ƒ Remove the cap [E], and then attach the cap on the opening of the toner collection bottle before taking it out.
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 inside the machine. This procedure describes the replacement procedure only for one unit. If you need to replace another unit, do the same as this procedure. ƒ Put some sheets of paper on the floor before doing this procedure. Toner may fall on the floor.
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].