AR-C150 (serv.man42). Troubleshooting Copy Quality - Sharp Copying Equipment Technical Bulletin (repair manual). Page 9

GMA050702 

Sharp Electronics (UK) Ltd., Technical Services Group

 

 

 
Note: Reducing the value reduces the saturation in the low-density area and 
the white area for each copy mode. The saturation in the high-density area is 
not affected. 
 
When adjusting Test Simulations 46-01 and 46-02, it is recommended to use both 
the Sharp Colour Test Chart (UKOG-0283FCZZ) and the Sharp Grey Scale Chart 
(UKOG-0162FCZZ) to adjust the low-density area 

 
 

 

 

 

Adjust the exposure for both B/W & Colour modes as per specification:- 

 
 
 

 

 

 

 

 Using a Sharp Colour Test Chart, adjust each exposure mode in manual exposure 
position “3”, until row 7 of the colour bar chart is absent. This involves switching 
from Test Simulation mode to operator mode 
 
 
 
 
 
 
 
 
 

 

If each exposure mode value is adjusted by a given amount, make a test copy in all 
modes to confirm the copy quality and background level. 

“TEST” icon. 

Press “CLOSE”, to return to 
operator mode. Select the 
exposure mode you wish to 
adjust, then return to test 
command mode by pressing the 
“TEST” icon.