Ricoh SP C250DN Operating Instructions Manual page 132

6. Maintaining the Machine
• Do not touch the ID chip on the side of the print cartridge as shown below.
• When removing print cartridges, be careful not to touch the laser scanning unit under the upper
cover (the position shown by the arrow in the illustration below).
• If cyan, magenta, or yellow toner runs out, you can print in black and white using just the black
toner. Change the color mode setting to Black and White using the machine's driver.
• If black toner runs out, you cannot print in black and white or color until the black print cartridge is
replaced.
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