20 Most Recent Ricoh Aficio AP3800C Laser Printer - Page 9 Questions & Answers

Im only guessing, however their should be a fuse on the power supply board, Remove back panel and follow AC power cord.

Ensure that you are setting (manually ) the plastic guides that hold paper at the sides inside tray in the proper way.

Try also loading a bigger number of paper sheets inside the tray.

Check the brown conveyor-belt inside the fusing unit. Maybe it has holes inside.

ERR (990) or ERR (999) are both error messages which are displayed when a sensor does not work normally due to dirtiness. For example, either may be caused by a dirty maintenance unit or clogged ink nozzles. It may be possible to resolve the issue by cleaning the device as described below
To clean your device, follow these steps.

1. Turn off the main power switch.

1. Open the top cover.
   Take care not to snag the sleeves of your clothing on the cord (1). Do not touch the feed belt (2).
   

1. Clean the part indicated in the image below using a damp cloth or a cotton tipped applicator.
   Never use tissues because it can contaminate the maintenance unit with loose fibers.
   

1. Close the top cover.

1. Turn on the main power switch.

1. Print the nozzle check pattern and check that the nozzles are not clogged.

If the problem persists, contact your local authorized service/support representative.

Sorry dude, not my thing, great with epson, canon, hp, lexmark, brother but not ricoh

When you cleaned you have disturbed the
The belt has come out of the position check it .
You need to position the belt back to correct place .

SC 556 Pressure roller fusing lamp temperature fluctuation
The pressure roller
temperature changes by
±20°C or more in one second.
This occurs three times in one
minute or two consecutive
times.
• Loose connection of
the pressure roller
thermistor 1. Check if the fusing unit is properly set
and connected to the main frame.
• Loose connection 2. Check if the pressure roller thermistor
connector is firmly connected.
between the fusing
unit and main frame

3. Replace the fusing unit.

SC 555 Pressure roller
fusing lamp

When the fusing unit is not
running in the Ready condition,
the pressure roller fusing lamp
keeps ON with full power for
100 consecutive seconds.

Replace the fusing unit.

You will probably need to get it serviced by a technician. However, if you need to just get by, a possible solution may be to print each side individually. This could also be faster than using the duplexor on the machine. Hope this helps.

Moe

SC285 Line Position Error
SC388 Data Transmission Time Out (Hard Disk Read)
Development Gamma Error (Cyan)

If there is toner in the cart but not getting onto the page, the most likely cause is that the toner delivery tube is blocked. You can try removing the unit and vacuuming out the supply line to remove any lumps that may be lodged and then run the forced toner supply in the Service Mode.

Try on a different computer. Maybe you have pretty old one that have old USB hub on a mainboard. Also try to download the latest drivers from original website that have a lot more stuff than included in Windows drivers.

Possibly cleaning blade fault on on K unit.

Do a stop test using a document with CMYK content across whole document. Remove and examine M dev and drum and also check the master belt etc. The first component with the pink line on is most likely the faulty one.

Clean the optical path. Remove glass and use very fine quality micro fiber cloth with no cleaning agents to wipe mirrors and glass. reassemble and test. If no better then maybe focus is off!

The black slodges are most likely to be caused by the dev unit dropping black toner. Swap the black devs around and vaccum any loose toner out of the machine. The problem with the other one it that the magenta toner pump could have a fault. I would try this before cleaning the toner tubes.

Thanks Jason

you can find the drivers from the manufacture website

The paper will always come out hot as the toner is fused to the page using heat and pressure - like an iron!

The ripples could suggest that there is an obstruction in the fuser unit. Whip it out and check to see if a piece of paper is stuck in it. Let it cool down first for 30 mins or you could burn yourself.

dirty toner on paper top after printed