Maintenance |
This category describes how to perform routine cleaning operations, and replace a toner cartridge. |
Cleaning the Machine |
Note the following before cleaning your machine:
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Exterior |
Interior |
Fuser Roller |
Scanning Area |
Exterior |
Clean the exterior of the machine. |
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Interior |
Clean the machine's print area periodically to prevent toner powder and paper dust from accumulating inside. |
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Fuser Roller |
If black streaks appear with printing, the fuser roller in the main unit may be dirty. Should this occur, clean the fuser roller in the following procedure. The roller should also be cleaned each time the toner cartridge is replaced. Load a sheet of blank A4 paper into the multi-purpose tray and start cleaning. |
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Cleaning starts.
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Scanning Area |
Keep the scanning area clean to avoid dirty copies or faxes to be sent. |
Platen Glass |
ADF (For MF4380dn/D450) |
ADF (For MF4370dn/MF4350d/MF4330d/D440) |
Platen Glass |
Clean the platen glass and the underside of the ADF by following the procedure below. |
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ADF (For MF4380dn/D450) |
If your documents have black streaks or appear dirty after copying them using the ADF, this may be caused by pencil lead rubbing off the documents and onto the roller. Clean the ADF scanning area and roller. |
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ADF (For MF4370dn/MF4350d/MF4330d/D440) |
If your documents have black streaks or appear dirty after copying them using the ADF, this may be caused by pencil lead rubbing off the documents and onto the roller. Clean the ADF scanning area and roller. |
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Replacing the Toner Cartridge |
This section describes how to replace or handle the toner cartridges and precautions on storing them. |
When a Message Appears |
Redistributing Toner |
Replacing the Toner Cartridge with a New One |
When a Message Appears |
Toner cartridges are consumable products. If the toner is running low or out during printing, a message appears in the display. |
Message | When it is Displayed | Contents and Remedies |
TONER LOW PREPARE NEW TONER* |
The toner is running low. |
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OUT OF TONER CHANGE TONER |
The toner is running out. |
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* MF4380dn/MF4370dn/MF4350d/MF4340d only |
Redistributing Toner |
When the toner is running low, the message <TONER LOW/PREPARE NEW TONER> appears on the display, redistribute toner in the toner cartridge. We recommend that you prepare a new toner cartridge for future replacement with ease. |
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Replacing the Toner Cartridge with a New One |
When the message <OUT OF TONER /CHANGE TONER> appears, replace the toner cartridge with a new one. When toner empty error occurs while receiving fax, printing fax is interrupted and the received data will be stored in the memory. If you set <CONT. PRINTING> to <ON>, you can keep printing fax documents or reports without replacing the toner cartridge. (See "FAX SETTINGS (MF4380dn/MF4370dn/MF4350d/MF4340d Only).") |
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Adjusting the Machine |
This section describes how you can adjust the settings of the machine to improve print quality and to prevent paper jams, which may occur when a variety of functions are used. It is recommended that you perform these settings regularly to prevent a number of problems from occurring. |
Reducing Blur (Special Mode T) |
Improving Print Quality (Special Mode U) |
Reducing Paper Curl (Special Mode V) |
Adjusting Toner Fixing (Special Mode Y) |
Reducing Fog (Special Mode Z) |
Reducing Blur (Special Mode T) |
Sets whether to prevent blur from appearing on the printouts for copying, receiving info, and reports. The default settings is <OFF> |
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Improving Print Quality (Special Mode U) |
Select to improve print quality in high temperature and high humidity conditions or in low temperature and low humidity conditions. The default settings is <OFF>. |
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Reducing Paper Curl (Special Mode V) |
Sets whether to prevent small size paper (B5, A5, EXECUTIVE, etc.) from being curled. The default settings is <OFF>. |
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Adjusting Toner Fixing (Special Mode Y) |
Sets to enhance the fixing characteristics of toner under the conditions of a low temperature environment. The default settings is <OFF>. |
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Reducing Fog (Special Mode Z) |
Sets whether to reduce fog appearing on the printouts for copying, receiving info, and
reports. |
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Transporting the Machine |
This section describes the required procedures before transporting the machine. |
For MF4380dn/MF4370dn/D450 |
For MF4350d/MF4340d/MF4330d/MF4320d/D440 |
For MF4380dn/MF4370dn/D450 |
Follow this procedure to avoid vibration damage to the machine when transporting it over a long distance. |
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For MF4380dn/D450, Skip to step 17. |
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For MF4350d/MF4340d/MF4330d/MF4320d/D440 |
Follow this procedure to avoid vibration damage to the machine when transporting it over a long distance. |
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For MF4340d and MF4320d, Skip to step 17. |
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