Oki B420dn B410//B420/B430 User Guide (English) - Page 12
Nline, Button - drums
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FLASH TYPE Flash READY LED (1) x x ATTENTION LED (2) x x MEANING The printer is receiving and processing data during printing or the printer is resetting. There is a printing error, for example, a problem with paper, the cover is open or the paper tray is empty while a job is processing. There is a minor error with the printer, for example, toner is low and the image drum needs to be changed. LCD The LCD (3) has two rows of up to 16 alphanumeric digits, displaying print status and error messages. ONLINE BUTTON The primary functions of the Online button (4) are activated by pressing the switch momentarily and releasing. The primary functions are as follows: > Turning the printer off-line. > Turning the printer on-line (ready). > Resuming printing after page overflow. > Interrupting data processing when the printer is receiving and processing data. > Resuming data processing. The secondary functions of the Online button are activated after turning the printer off line, then pressing and holding the switch for four seconds before releasing. The secondary functions are as follows: > Printing the demo and menu pages. NOTE Demo and menu pages can also be printed using the printer's Printer Menu Setup Tool. > Printing any data held in the buffer after printing has been cancelled. The other functions of the Online button are activated after turning the printer off line then pressing and holding the switch for seven seconds before releasing. The other functions are as follows: > Printing a cleaning page. NOTE A cleaning page can also be printed using the printer's Printer Menu Setup tool. Operator panels > 12