Xerox 540 用户指南

The following table lists the replaceable components and what symptoms to 
look for when they need to be replaced or cleaned.  

For a more detailed list of print quality symptoms and solutions, refer to the 
table “Troubleshooting and print quality quick reference” on page 6-8 and 
“Print quality problems” on page 6-21.  

Toner cartridges

Change the color 
toner soon.

6,500 pages

■

Front panel message: 

<color>:low

 

Change the color 
toner now.

■

Faded or missing color in a single color.

■

A straight, narrow, and even vertical light streak in 

one color.

Imaging unit

Replace the 
imaging unit.

40,000 
images

■

Dark, vertical streaks on the whole page.

■

Dark color spots and streaks in all colors.

■

A wide, light, horizontal band in one place on the 

page.

■

All colors are faded; fine line detail disappears.

■

Front panel message:  

Imaging Unit: replace

Fuser 40,000 

pages

■

Front panel message:  

Fuser: replace

Transfer kit  

40,000 pages

■

Front panel message:  

Transfer Kit: replace

Corona wire

Clean the corona 
wire.

As needed

■

Vertical light streaks that are wavy, wide, and 

appear in all colors.

* These figures are based on an average of 5% coverage of the printable area for any one color.  

The frequency of replacement will vary, depending on the complexity of the prints you are 
making.