Brother International 9870 Service Manual - Page 176

Messages on the LCD PLS OPEN COVER PRINTER JAM SCANNER ERROR TONER EMPTY TONER LOW Probable Cause To display the relating detailed error code, use maintenancemode function code 82. (Refer to Chapter V, Section 3.12.) If this message appears, open and close the front cover. The message may disappear if opening/closing the front cover removes the error. If the error persists, the "MACHINE ERROR XX" will appear. (1) The paper ejection sensor stays OFF even after the registration sensor has gone OFF and the paper has been fed by the specified amount. (2) The paper ejection sensor stays ON even after it has came ON and the paper has been fed by the specified amount. In the scanning compensation data list printed by the maintenance-mode function code 05 (refer to Chapter V, Section 3.2), fifty percent or more of the white level data is faulty. (This message may appear only in the maintenance mode.) The toner sensor has detected that there is no toner in the cartridge or that no toner cartridge is loaded. If this message appears, recording is no longer possible. The toner sensor has detected that there is not enough toner. If only an alarm beep is heard without any message on the LCD when the machine is powered up, the ROM or RAM will be defective. VI - 3