10.Routine Maintenance

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

10.1.Cleaning the Printer

| Note： | • Please use mild detergents. • Some parts of the printer may still be hot for a short period after use. When opening the front cover or rear cover to clean the parts inside the printer, please do not touch the parts in the shaded area as shown in the following picture.

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

2. Open the front cover and take the laser toner cartridge out along the track.

| 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.

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

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

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

10.2.Toner cartridge and drum component component maintenance

10.2.1.About toner cartridge and drum component component

1. Application and maintenance of toner cartridge

Please use the original toner cartridge for better printing quality.

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

• Do not take the toner cartridge out of its package unless it will be used immediately.

• 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.

• Toner cartridge should be placed out of reach of children.

2. Service life of toner cartridge

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

• For printers with LED control panel, normally-on orange toner cartridge indicator means that the service life of toner cartridge has expired and a new toner cartridge should be replaced to.

• For printers with LCD control panel, normally-on orange toner cartridge indicator or “Ctg life expired” displayed on LCD display means that the service life of toner cartridge has expired and a new toner cartridge should be replaced to.

3. Service life of drum component

• For printers with LED control panel, normally-on red drum component indicator means that the service life of drum component has expired and a new drum component should be replaced to.

• For printers with LCD control panel, “DrumUnitLifeEnd” displayed on LCD display means that the service life of drum component has expired and a new drum component should be replaced to.

10.2.2.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 and take the laser toner cartridge out along the track.

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.

Drum component replacement steps:

1.Power off the printer.

2. Open the front cover and take the laser toner cartridge out along the track.

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.