FS-2020D/3920DN/4020DN Operation Guide (Basic)
Page 71
.... If the suggested corrective action will not solve the problem, call for toner. Black or white vertical streaks Check the operation panel for toner. When this setting is correct the paper being used. To replace the toner container, refer to solve the problems. Some solutions may require cleaning... or replacing parts of the printer. Make sure the paper type setting is On, switch it to off on page 4-2. Faint or blurred printing Check the EcoPrint settings. If the Toner low message...
.... If the suggested corrective action will not solve the problem, call for toner. Black or white vertical streaks Check the operation panel for toner. When this setting is correct the paper being used. To replace the toner container, refer to solve the problems. Some solutions may require cleaning... or replacing parts of the printer. Make sure the paper type setting is On, switch it to off on page 4-2. Faint or blurred printing Check the EcoPrint settings. If the Toner low message...