We have a used copier that we bought at an auction. we've lost the business card that came with it and also had the "user" numbers to operate the machine. Can it be reset. Also, when we were able to use copier kept getting E7 error code. Can you help???? Please! Thanks
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when the E7 code comes their is sub code u can view it by pressing start key then we can guest how ever i think this is coming from scanner ccd or chick ribbon cable connecting to the mother board from c c d
E7-11 Shading troble(whife correction) IMPRPER CONNECTION OF THE CCD UNIT CABLE DIRT ON THE MIRROR,THE LENS,AND THE REFERANCE WHIT PLATE copy lamp lighting abnormality ccd unit abnormality MCU PWB abnormality (when occurred in the scan position)improper installation of the mirror unit
E7 codes deal with the optical scanner unit and or the laser unit. It could also be the lamp in the scanner unit. The E7 is the main code. There is a sub code associated with it. To view the sub code hold down the start button. Below is a list of specific codes and their meanings:
E7-02: LSU trouble E7-10: Shading trouble (Black Correction) E7-11: Shading trouble (White Correction) E7-12: Shading Trouble E7-16: Abnormal laser output
If it is a laser (LSU) issue then the LSU may need replacing. If it is a shading error the first step is to remove the platen glass carefully (with the power off because the inverter board). There is a thin white strip on the bottom side of the platen next to the slit glass. Clean this white strip with a soft cloth and a small amout of isopropyl alcohol. Dust on the optics can also cause shading reference errors so gently blow off the mirrors with canned air.
Perform the following key procedure to reset error:
"#" key, Interrupt key, "C" key, Interrupt key
"1" key, "4"key
Start key, "CA" key.
See if unit cycles and comes back up. If not turn off and then back on the main power. If error reappears on site technical service may be required.