Copier only copies 90% of sheet in 100% mode

If the copy is dirty background first clean the optical parts component,mirror,lamp,charge corona,transfer unit.If it is OK verify the imaging unit developer and drum,if necessary change it.

Select the simplex/duplex mode.
1 sided - 1 sided
1 sided - 2 sided
2 sided - 2 sided
When using 1 sided to 2 sided the originals must be even

No there is no hard disk drive in the EP1085. This was an analog machine and as such had to provision for PC connectability, printing or scanning. Therefor no hard drive needed or offered.
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THEY ARE BASICALLY THE SAME MACHINE THE 1085 HAS MORE FEATURES.THOSE MACHINE ARE ABOUT 10 YEARS OLD AND PARTS ARE BECOMING HARD TO GET. I WOULDNOT BUY EITHER.GET A NEW DIGITAL COPIER AND YOU WILL BE ABLE TO PRINT FAX SCAN AND COPY AND PARTS WONT BE AN ISSUE FOR MANY YEARS

After replace the photocopier drum you need perform the F5 Auto Image Density Control.Enter in the service mode:press Stop key - 0 - 0 -Stop key - 0 - 1 and press 1.In the LCD appear E and press 5 and the copy(start) button for perform the F5.Begining place A3 sheet paper in the original glass.To replace the OPC drum clean the optical section(glass,mirrors,lens,sensors) and change the OPC drum cleaning blade.Clean the quenqing lamp and erasure lamp amd the transfer/separator corona unit(holders,wires) and the charge corona unit.

Hello sir; When you make copy lift up the cover see the exposure lamp is on, if not replace the lamp.

Mite have a broken gear in the fusing section (Hot Part) unplug machine and open **** shell and look to the left (if standing in front of machine) the left side rear is the fusing drive section check all gears also remove image unit and check gears

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

yes, there is a button for book form.

it will either be in additional functions or duplex mode.

when copying leave book open on glass it will scan the first page then scan the other page. you can have it on two different sheets or one double sided sheet.

Good luck.

p.s.: it should be in the user manual also if you have it.

Incorrect T/C type means that toner cartridge have not good contact with toner chip, is good to clean this chip, or contact inside magine is not good. Change toner cartridge and if that problem remain, its needed replace contact unit on machine

Make 1 copy with the lid open & verify that the scan lamp is lighting & that the scanner moves. A blown lamp is the most common cause for all black copies.