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Hello sir; I don't know which button you are talking about,but follow my steps to reset ; press " clear" , " exposure mode " , "clear " , " exposure mode" those keys , then enter 14 press start. should take care of you. the exposure key is under auto, manual, photo.
Problem on three things.
1.OPC drum cleaning blade is very old,so lost her activities.
2. Laser unite very dirty,so you need clean.
3. setup or configure exposure control.
# Press Auto key three second
when exposure light indicate now position,select way lighter side.
Reset the drum count by pressing "Clear" then "Exposure Mode" then "Clear" then "Exposure Mode" Exposure mode is far left key on panel. You need to do this fairly quickly so that the display goes blank. Once display goes blank then key in 24 then press print, then key in 7 then press print. You should now be getting flashing 000 Turn machine off then on and light should be gone. Short version: C,far left,C,far left,24,print,7,print
2 possibilities. One is that the cartridge you installed is used or bad. Turn the machine off then on...it should run for several minutes. See if the light goes out. The toner light by the way is the light that looks like 6 little dots in a stack. If the light you have on looks like a little barrel or battery then that is the drum light. You can reset that light with this procedure.
Reset the drum count by pressing "Clear" then "Exposure Mode" then "Clear" then "Exposure Mode"
Exposure mode is far left key on panel. You need to do this fairly quickly so that the display goes blank. Once display goes blank then key in 24, then press print, then key in 7, then press print. You should now be getting flashing 000 Turn machine off then on and light should be gone. Short version: C,far left,C,far left,24,print,7,print
l For manual copy density adjustment, press the AUTO/ MANUAL/PHOTO ( / / ) key to select MANUAL ( ) and adjust with the LIGHT ( ) and DARK ( ) keys as desired. l For photographs, select PHOTO ( ) and then adjust with the LIGHT ( ) and DARK ( ) keys as desired. l There are 9 exposure steps indicated by 5 indicator lights. (The indicators light up one or two at a time.) Successive pushes of the LIGHT ( ) key will change the indicator lights in the order (3) / (3•2) /(2) / (2•1) / (1). Successive pushes of the DARK ( ) key will change the indicator lights in the order (3) / (3•4) / (4) / (4•5)/ (5) The automatic exposure level can be adjusted to suit your copying needs. 1 Press the AUTO/MANUAL/PHOTO ( / / ) key to select the PHOTO ( ) mode. 2 Press and hold the AUTO/MANUAL/PHOTO ( / / ) key for approximately 5 seconds. l The PHOTO ( ) indicator will go out and the AUTO indicator will begin to blink. l One or two exposure indicators corresponding to the automatic exposure level which has been selected will light up. The factory default setting is level “3”. 3 Press the LIGHT ( ) or DARK ( ) key to lighten or darken the automatic exposure level as desired. 4 Press the AUTO/MANUAL/PHOTO ( / / ) key. l The AUTO indicator will stop blinking and will light up steadily. l This automatic exposure level will remain in effect until you change it again by this procedure. Automatic exposure adjustment AUTO
Press the stop/reset key, start key
and the left copy exposure adjustment
key in the order presented and hold
Press the stop/reset key. entering service mode.
Enter the number of the maintenance
item to be executed using the copy
exposure adjustment keys or the zoom
enter 000 start to print staus report.
Do not change any settings...only use 000 to print report, then 001 to exit service mode after it has finished printing.
This is very important so that you dont render your machine useless.
To exit service mode-
Enter 001 using the copy exposure
adjustment keys or the zoom
+/- keys, and press the start key.
U6 code means that you have a problem with the exposure lamp or exposure lamp circuit working properly.Hold down the 0(zero) key while turning the unit on and punch in the codes 20 start 3 this will enable you to clear the code unless you have a permanent problem where a part has to be replaced
restart the copier while holding down the "0" and "5" keys. you will now be in service mode. enter "5" and press "start" key a number should show up in the display. this is the exposure value - how dark or light the copies will be. 5 is the automatic exposure setting. around 128 is the normal value. the larger this value the lighter the copies are - the smaller the value the darker the copies.
Enter a new number (exposure value) and press the "interupt" key to save the value. Restart the copier and check what the copies look like. Keep adjusting until it looks good/better.
Dear sir; First I have let you know the copier use toner not ink , want to know how many left over; 1, press and hold down the left exposure key until indicator flash, then press and hold the "%" key for 5 seconds.the window will show out the percentage. LO means less than 10%, press left exposure key to escape.if there still have problem please let me know, otherwise please be generously give me rating. thank you. HAVE A MERRY CHRISTMAS !!!
first you press the exposure key and select the manual exposure mode then press and hold exposure key for 5 seconds when it blinks select the position to dark and press exposure key again,try to make the copy if no defrence ,select the photo mode and press and hold the exposure key again select the dark position by dark exposure key and press exposure key again.check the copy if again no difference change the DEVELOPER