Epson AcuLaser CX21NF User Manual

Replacing Consumable Products281
Note:
The toner cartridge is installed securely when the right lever cannot be turned any further. Make 
sure that the toner cartridge is installed securely.
9. Close cover A.
10. Confirm the error message in the LCD panel. When another toner cartridge needs to be 
replaced, an error message is displayed. Repeat steps 2 to 9 to replace the cartridge.
Photoconductor Unit
Handling precautions
Always observe the following handling precautions when replacing the consumable...

Replacing Consumable Products282
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Warning:
❏Do not touch the lever under the scanner unit when you open or close the unit. Touching 
it will cause the document cover of the scanner unit to fall down, which may damage the 
product and cause injury.
❏Do not dispose of the used consumable products in fire, as they may explode and cause 
injury. Dispose of them according to local regulations.
❏Keep consumable products out of the reach of children.
Replacing the photoconductor unit
Follow the steps below to...

Replacing Consumable Products283
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Caution:
Do not touch the lever under the scanner unit when you open or close the unit. Touching 
it will cause the document cover of the scanner unit to fall down, which may damage the 
product and cause injury.
3. Contain the expansion tray in cover B.
4. Open cover B.
 

Replacing Consumable Products284
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Warning:
Be careful not to touch the fuser, which is marked CAUTION HIGH TEMPERATURE, or 
the surrounding areas. If the product has been in use, the fuser and the surrounding 
areas may be very hot.
5. Raise the yellow lever inside cover B.
6. Remove the photoconductor unit.
7. Take the new photoconductor unit out of its package and remove the protective sheet.
 

Replacing Consumable Products285
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Caution:
❏Do not touch the belt on the top of the unit or the blue photoconductor area. 
Otherwise, the print quality may decrease.
❏When replacing the photoconductor unit, avoid exposing it to light any longer than 
necessary. 
8. Hold the photoconductor unit by its handle, and insert the unit until it clicks shut while 
aligning the arrow marks on the product.
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Caution:
Do not touch the parts inside the product.
9. Push the yellow lever down, and then close cover B.
 

Replacing Consumable Products286
10. Expand the extension tray if necessary.
11. Lower the scanner unit to the original position
 

Cleaning and Transporting the Product287
Chapter 14 
Cleaning and Transporting the Product
Cleaning the Product
The product needs only minimal cleaning. If the product’s outer case is dirty or dusty, turn 
off the product and clean it with a soft, clean cloth moistened with a mild detergent.
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Caution:
Never use alcohol or paint thinner to clean the product cover. These chemicals can damage 
the components and the case. Be careful not to get water onto the product mechanism or any 
electrical...

Cleaning and Transporting the Product288
2. Gently wipe the rubber parts of the pickup roller inside the MP tray with a wet, 
well-wrung cloth.
* paper sensor
Note:
When cleaning the pickup roller, be careful not to damage the paper sensor.
Cleaning the print head
Follow the steps below to clean the printer head.
1. Open the cleaner cover on the right side of the product. Then, open cover A.
*
 

Cleaning and Transporting the Product289
2. Pull the cleaning knob access lever on the right inside of the product.
3. Move the blue cleaner knob slowly in and out once.
Note:
Move the cleaner completely in and out. Otherwise, the product may not be cleaned effectively.
4. Push back the cleaning knob access lever on the right inside of the product.
 

Cleaning and Transporting the Product290
5. Close cover A, then the cleaner cover.
Cleaning the exposure window
When the print quality has decreased, move the cleaner knob slowly in and out once to 
clean the exposure window. For details, see Cleaning the print head on page 288.
a. document table
b. exposure window
Cleaning the document table
When the scanning quality has decreased, open the document cover and wipe away the 
document table with a soft dry cloth.
ba