# Maintenance

This chapter describes upkeep of the machine, including how to clean the machine and initialize settings.

### Basic Cleaning Cleaning the Machine

|  | The machine becomes dirty, see Exterior. Smudge marks appear on originals or printouts, see Platen Glass or Feeder. Streaks appear on printouts, see Fixing Unit. Paper jams occur frequently, see Paper Roller.

### Replacing Toner Cartridges Replacing Toner Cartridges

|  | If you want to use all of the toner, see Using Up Toner. How to replace toner cartridges, see How to Replace Toner Cartridges.

### Relocating the Machine

|  | Relocating the machine for maintenance or an office move, see Relocating the Machine.

### Managing Print Quality Maintaining and Improving Print Quality

If you want to adjust the gradation for copy jobs, see Adjusting the Gradation and Density for Copy Jobs.
If you wan t to adjust the toner density to be used for printing, see Adjusting Print Density.

### Printing Reports and Lists

|  | Print out reports describing transmission results, or a list of Address Book information, see Printing Reports and Lists.

### Checking the Total Pages Printed by the Machine

If you want to check the total page number of printouts, see Viewing the Counter Value.

### Saving/Loading Settings Data

If you want to save the machine settings data or load the saved data, see Using a USB Memory Device to Save/Load Settings Data.

### Initializing Settings

If you want to restore the settings, see Initializing Settings.

### Updating the Firmware

If you want to update the firmware of the machine, see Updating the Firmware.
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