This is a Ricoh error code. There is a laser unit synchronization error with the drum unit. I would take out the drum unit of the Ricoh and reseat it to see if that's the problem. You may have a bad drum or a laser unit. If you live in Southeast Florida Advanced business computers is a great source for help. Computer network repair, printer copier maintenance repairs, copier printer leasing and supplies.
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Service manual & troubleshooting says this error related to laser unit but this is final solution. To my experience this error mostly because of Micro Door Switchs. Try it by changing Micro Door Switch. I am sure it will help you
Hello sir; The error code you display on screen, it means laser unit have problem, it can not be reset but it can be fixed, you have to call your local technician to help you.
have you tried sc reset through the service mode and then turn off .. you can get to this by pressing yellow clear button then 107 then hold down the cancel stop button..wait for the screen to change then go to mode 5 and you need to arrow down to sp 5 810 sc reset execute turn off the copier and try turning on to see if it clears.. if not the ac board maybe defective caused by a power surge or static down the line..
sometimes
the plastic of the laser is turned by the heat proves to relax and to fit the
screw that holds the laser unit that is of the side of the drum while it raises
a millimeter with a screwdriver, this sometimes works. Verifies that theglasses and mirrors well
be positioned correctly. Other
Poor connection between the laser synchronization detector board and the LD unit. Laser synchronization detector board out of position Laser synchronization detector board defective LD unit defective
Another poblem with this machine is that the sync detect for the 400 dpi and 600 dpi could be off. Go into service modes by pressing the yellow clear modes key then pressing the numbers 1 0 7 then hold done the red stop key till you see the display change. Now go into copy sp, then hit the 2 in the window {drum}, next use the page down button located in the middle of the screen till you see the one that says 2109 LD Beam Pitch Adjust. Go to number 2109-8 beam pitch data reset. execute then go to 2109-1 and set it to 144 then hit pound. Now go to 2109-3 and execute. last go to 2109-2 and set it to 168 then hit pound. Now go to 2109-4 and execute. exit out of the service modes window. now try to run a copy and a print. If these fail the you either need to clean the laser assembly, a polygonnal mirror moror or laser drive unit.
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