NOTE
• Align the tip of the knob of the toner bottle with the mark of ▼ [2] indicated on the machine as shown in the illustration.
[1]
8. Rotate the toner bottle [1] clockwise to lock it. 9. Close the front cover.
3.1.7 Cleaning of the Ds collars (1) Periodically cleaning parts/cycle
Ds collars: Every 55,000 counts
(2) Procedure
1. Remove the toner bottle.
F.3.1.6 Replacing the toner bottle
2. Remove the imaging unit.
F.3.1.10 Replacing the imaging unit
[1]
[2]
3. Release the tabs [1] and disconnect the connector [2] from the
imaging unit.
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[2]
[1]
[3]
[4]
4. Remove two screws [1] in the rear of the imaging unit. 5. Remove three screws [2] at the front of the imaging unit. 6. While slightly pulling the area below the drum (diagonally shaded
area) in the direction of arrow, separate the drum unit [3] from the developing unit [4].
[1]
[1]
7. Using a cleaning pad with alcohol, wipe the two Ds collars [1]
clean of dirt.
8. To reinstall, reverse the order of removal.
3.1.8 Cleaning of the drum separator fingers (1) Periodically cleaning parts/cycle
Drum paper separator fingers: Every 55,000 counts
(2) Procedure
1. Remove the toner bottle.
F.3.1.6 Replacing the toner bottle
2. Remove the imaging unit.
F.3.1.10 Replacing the imaging unit
3. Remove the drum.
F.3.1.2 Replacing the drum
[1]
4. Using a cleaning pad with alcohol, wipe the five separator fingers[1] clean of dirt.3.1.9 Cleaning of the developer scattering prevention plate (1) Periodically cleaning parts/cycle
Developer scattering prevention plate: Every 55,000 counts
(2) Procedure
1. Remove the toner bottle.
F.3.1.6 Replacing the toner bottle
2. Remove the imaging unit.
F.3.1.10 Replacing the imaging unit
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[1]
[2]
3. Release the tabs [1] and disconnect the connector [2] from the
imaging unit.
[2]
[1]
[3]
[4]
4. Remove two screws [1] in the rear of the imaging unit. 5. Remove three screws [2] at the front of the imaging unit. 6. While slightly pulling the area below the drum (diagonally shaded
area) in the direction of arrow, separate the drum unit [3] from the developing unit [4].
[3]
[1]
[2]
(a)
(b)
(c)
7. Remove three screws [1], and remove the developer scattering
prevention plate [2]. NOTE
• When securing the developer scattering prevention plate, tighten screws in the order of one on one edge (a), one at the center (b), and one on the other edge (c).
• When attaching the developer scattering prevention plate, make sure that the tabs of the developer scattering prevention plate are inserted into the slots [3].
[1]
8. Using a brush, whisk dust and dirt off the surface of the developer
scattering prevention plate [1].
9. To reinstall, reverse the order of removal.
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3.1.10 Replacing the imaging unit (1) Periodically replacing parts/cycle
Imaging unit: Every 165,000 prints
(2) Procedure
1. Open the right door. 2. Open the front door. 3. Remove the toner bottle.
F.3.1.6 Replacing the toner bottle
NOTE
• Do not install the toner bottle while the imaging unit is not installed. Doing so can cause a toner spill.
[1]
[2]
[4] [3]
4. Remove the screw [1], and remove the cover [2].5. Disconnect the connector [3]. 6. Remove the harness from guide [4].[1]
[2]
7. Remove two screws [1], and remove the imaging unit [2].NOTE
• Do not install the toner bottle while the imaging unit is not installed.
• When installing the imaging unit, use care not to damage the drum.
• Before attempting to install the imaging unit, be sure to fully open the right door. Take care that, if the imaging unit is installed with the right door locked halfway, it may interfere with the transfer roller.
• When inserting the imaging unit, do that slowly and, when you are sure that the drum gear contacts the mating part, push the imaging unit all the way into position. If this step is done all at once, the drum gear could be damaged. • If the right door is closed with the imaging unit removed,
pressing the unlock button does not open the right door automatically. For opening the right door in this status, move the door manually while pressing the unlock button.
8. To reinstall, reverse the order of removal.
3.2 Conveyance section
3.2.1 Cleaning of the registration roller (1) Periodically cleaning parts/cycle
Registration roller: Every 55,000 counts
(2) Procedure
1. Open the right door.
[1]
2. Using a cleaning pad dampened with alcohol, wipe the registration
roller [1] clean of dirt. NOTE
• Do not touch or scratch the photo conductor.
3.2.2 Cleaning of the pre-image transfer guide plate (1) Periodically cleaning parts/cycle
Pre-image transfer guide plate: Every 55,000 counts
(2) Procedure
1. Remove the toner bottle.
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F.3.1.6 Replacing the toner bottle
2. Remove the imaging unit.
F.3.1.10 Replacing the imaging unit
[1]
[2]
3. Release the tabs [1] and disconnect the connector [2] from the
imaging unit.
[2]
[1]
[3]
[4]
4. Remove two screws [1] in the rear of the imaging unit. 5. Remove three screws [2] at the front of the imaging unit. 6. While slightly pulling the area below the drum (diagonally shaded
area) in the direction of arrow, separate the drum unit [3] from the developing unit [4].
[1]
7. Using a cleaning pad with alcohol, wipe the pre-image transferupper guide plate [1] clean of dirt.[1]
8. Using a cotton bud dampened with alcohol, clean the groove [1]
inside the pre-image transfer upper guide plate.
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3.3 Fusing section
3.3.1 Replacing the fusing unit