13.Routine Maintenance

| Note: | • Printer appearance may differ because of various models and functions, so the schematic diagram is only for your reference.

13.1.Cleaning the Printer

| Note: | • Cut off the power supply of the printer before cleaning. • Please use mild detergents. • Some parts of the printer are still in high temperature within a short time after use. To prevent burns, please don't directly touch places labled with high temperature warning in contact with internal components after opening the printer's front or rear cover. • Be careful with printer screen when operating against pressing harshly or damaging touch screen. Clean the screen with soft dry cloth or cloth with mild detergent or ethyl alcohol rather than any organic solvent, acidic or alkaline solution.

1.Use a soft cloth to wipe the outside of the printer clean.

2. Lift the scanner cover, and gently wipe the glass platen and automatic duplex document feeder CIS (D-CIS) with soft cloth.

3. Open the front cover by pressing the front cover button, and take out the laser toner cartridge along the guide rail.

| Note: | • When removing the toner cartridge, put the toner cartridge in a protective bag or wrap it with thick paper to avoid direct light damaging the toner cartridge.

4.Clean the inside of the printer by gently wiping the shaded area, as shown in picture, with adry and lint-free cloth.

5. Wipe the LSU lens of printer gently with dry lint cloth.

6. Open the auto feed tray and wipe the pickup roller gently with dry lint cloth.

| Note: | • the machine with the ADF should be regularly cleaned, removing dirt on the top cover of the ADF. Please wipe the place as shown in figure with a soft cloth.

13.2.Toner cartridge and drum component maintenance

13.2.1.About toner cartridge and drum component component

1.Cartridge, use and maintenance of the drum assembly.

Please use the original toner cartridge for better printing quality.

Please pay attention to the following items while using the toner cartridge:

• Please keep the toner cartridge in a dry and dark place.

• Do not refill the toner cartridge without permission; otherwise, the damages caused will not be included in the scope of warranty of the printer.

• Please place the toner cartridge in cool and dry places.

• Please do not place the toner cartridge near ignition sources, as the toner inside it is inflammable and may cause fire.

• Please pay attention to toner leakage while it is taking out or disassembled. In case of toner leakage, skin contact with toner or spattering into eyes or mouth, please wash it with clear water immediately, or see a doctor if feeling unwell.

• When placing the cartridge, please stay away from children may contact area.

2. Service life of toner cartridge

• The service life of toner cartridge is depending on the toner quantity needed by printing.

• When a prompt that "The Toner Cartridge life Expired" appears on the display, it indicates its service life expires. So please replace it.

3. Service life of drum component

• When a prompt that "The Drum Unit life Expired" appears on the display, it indicates its service life expires. So please replace it.

13.2.2.Replace toner cartridge and drum component

| Note: | Please pay attention to the following matters before replacing toner cartridge: • Since there may be toner on the surface of toner cartridge, please pay attention while taking it out to avoid spattering. • Please place the toner cartridge taken out on paper to avoid large-scale spattering of toner. • When installing, do not touch the surface of the toner cartridge, so as to avoid scratching it.

Toner cartridge replacement steps:

1.Power off the printer.

2. Open the front cover by pressing the front cover button, and take out the laser toner cartridge along the guide rail.

3. Press the blue button on the left side of drum component with left hand and lift the toner cartridge handle with right hand at the same time to take the toner cartridge out.

4. Open the package of the new toner cartridge and hold the toner cartridge handle to shake it left and right for 5 – 6 times, so that the toner inside can be uniformly dispersed.

5. Pull the seal out and take the toner protection cover out.

6. Install the drum component along the inner track to finish installing toner cartridge.

7. Take the drum component with toner cartridge installed and install it inside the printer along the inner track of printer to finish installing.

8. Close the front cover.

Replace the drum assembly steps are as follows:

1.Power off the printer.

2. Open the front cover by pressing the front cover button, and take out the laser toner cartridge along the guide rail.

3. Press the blue button on the left side of drum component with left hand and lift the toner cartridge handle with right hand at the same time to take the toner cartridge out.

4. Open the package of new drum component, take the protection device of drum component, and put the drum component on a horizontal table.

5. Install the drum component along the inner track to finish installing toner cartridge.

6. Take the drum component with toner cartridge installed and install it inside the printer along the inner track of printer to finish installing.

7. Close the front cover.