Toshiba 230, 280 Image Density is too Low, Image Density is too High

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Image Density is too Low
Image Density is too High
Items to be checked Countermeasure Reference page
Has the message “Install new
toner cartridge” appeared on
the screen?
Replace the toner cartridge. "2.REPLACE TONER CARTRIDGE
SYMBOL"  Page 254
Is the image density or the
background adjustment set
lighter than is standard?
Use the manual density buttons
or the background adjustment
function to adjust the image
density properly.
"Manual Copy Density Mode"  Page
103, "1.BACKGROUND
ADJUSTMENT"  Page 106
Items to be checked Countermeasure Reference page
Is the image density or the
background adjustment set
darker than standard?
Use the manual density buttons
or the background adjustment
function to adjust the image
density properly.
"Manual Copy Density Mode"  Page
103, "1.BACKGROUND
ADJUSTMENT"  Page 106