Caution:
Do not use a hard brush, benzine, alcohol, or paint thinner to clean the R1900 Series or you may damage it. Do not use oil or other lubricants inside the R1900 Series or let water get inside it.
6. Close the paper support, printer cover, CD/DVD tray guide cover, and output tray, then clean the outer case with a soft cloth dampened with mild detergent.
8. Load several sheets of plain paper in the sheet feeder and clean the rollers inside the printer.