Konica Minolta 2230 Manuale utente

- 1 -

TRM 2230 Service Guide

•How to Clean the Mirrors

•How to Resolve Light Prints

•How to Check Toner Motor Operation

(Light Copies)

•How to Adjust CVR

•(Light Intensity)

•How to Remove Drum Unit

•How to Remove Developer Unit

•How to Change Developer

•How to Reset Developer Count

•How to Replace Drum and Cleaning Blade

•How to Reset Drum Count

•How to Reset PM Count

•How to Reset 34, 35 and 36 Error Codes

•How to Remove Fusing Assembly

•How to Change Cleaning Web on Fuser

•How to Change Lower Pressure Roller

•How to Change Upper Fuser Roller

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How to Clean the Mirrors

1. Turn copier off. Switch is on the left hand side below flap.

2. Open top cover.

Remove two screws on left hand side and remove scale plate.

Remove glass (slides up and to the left).

3. Slide optics unit to the right.

4. Clean the 3 mirrors on the optics unit (mirrors 1, 2 and 3).

Slide optics unit back to the left.

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5. Remove Light Shield cover (1 screw then cover lifts up and to the left).

6. Clean mirrors (mirrors 4 and 5).

7. Reinstall Light Shield cover (ensure black mylar is under rail).

8. Open front cover.

9. Remove screw from toner hopper, and swing hopper to the right.

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10. Loosen screw on developing unit. (***Screw will not come all the way out***).

Swing lever one down.

Remove developing unit.

Cover drum with a piece of paper.

CAUTION: Do not tip unit. Keep it level.

11. Clean the two mirrors that sit above the developing unit (mirror 5 and 6).

12. Reinstall developing unit (tighten screw).

13. Swing toner hopper to the left and reinstall screw.

14. Swing lever 1 up.

15. Close front cover.

16. Confirm copier operation and copy quality.

- 5 -

How to Resolve Light Prints

1. Open front cover.

2. Swing toner hopper to the right.

Open toner hoppers top cover (Activate lock switch in back left corner, use a flat tip

screwdriver and push the switch to the right).

Pull green handle forward.

3. While holding down the 4 and 7 buttons on the number pad, turn the copier back on.

The LCD will display:

IO Check Mode.

4. On the number pad push 0 then 1

5. Activate Front Door Switch

6. Press the Print Button.

Look inside the Toner Hopper:

If Toner Agitator is turning, refer to CVR adjustment.

If Toner Agitator is not turning, refer to How to Check Toner Motor Operation.

- 6 -

How to Check Toner Motor Operation

(Light Copies)

7. Turn Copier Off.

Open front cover.

8. Swing toner hopper to the right.

9. Remove Wiring Cover (two screws) and Motor Cover (two screws).

10. Remove the Toner Driving Plate Assembly (two screws) (leave toner motor attached to

bracket and the two wires attached to the toner motor).

11. While holding down the 4 and 7 buttons on the number pad, turn the copier back on.

The LCD will display:

IO Check Mode

On the number pad press 0 and then 1

- 7 -

12. Activate Front Door switch.

13. With the Toner Motor in your hand, press the Print Button.

If Toner Motor is turning, press the Stop/Clear Button. Continue with step 14.

If Toner Motor is not turning, press the Stop/Clear Button. Toner Motor will need to be

replaced. Continue with step 14.

14. Manually turn Toner Supply gears on Toner Hopper. These gears should turn freely

clockwise. It may be necessary to stir up the toner inside the toner hopper. Continue

working gears until the turn freely clockwise.

15. Reattach Toner Motor to Hopper.

16. Reattach Motor cover and Wiring cover.

Caution: Do not pinch wire.

17. Confirm Toner Motor operation.

(See steps 5 – 7)

18. Check Copier operation and Copy Quality.

- 8 -

How to Adjust CVR

(Light Intensity)

1. Turn copier off.

2. While holding down the 3 and 6 buttons on the number pad, turn the copier back on.

The LCD will display:

Adjustment mode menu.

3. Press the up arrow (second button from left) until the third line reads:

Timing adjustment mode

4. Press the OK button to enter Timing adjustments.

5. Press the OK button again to enter CVR adjustments. The CVR adjustments screen will

be displayed on the LCD.

- 9 -

6. The first set of numbers on the third line is the current setting of the CVR.

Note: To make a darker copy, the number will be set lower. To make a lighter copy,

the number will be set higher. Normally, this setting will be somewhere between 24

and 35. Outside of that range, CVR adjustment probably is not the reason for light

or dark copiers. Contact tech support.

7. Using the number pad, enter a two-digit number within the possible setting parameters.

Press the OK button. The copier will now accept the setting entered and change the

current setting to reflect the change.

8. Press the test button (second button from left) to switch the LCD to the basic screen and

into the test copy mode. Press the Start Print key to make a copy and check copy quality.

9. If further adjustments are necessary, on the number pad, press and hold the P button

and then press the Stop/Clear key to return to the CVR adjustment screen.

10. If no further adjustments are necessary, turn the copier off then back on.

11. Confirm copier operation and copy quality.

- 10 -

How to Remove Drum Unit

1. Turn copier off with power button under flip cover.

2. Open front cover.

3. Remove one screw then swing the toner supply hopper to the right.

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