Brother International IntelliFax-4750 Service Manual - Page 178
ERROR INDICATION, 1.1 Equipment Errors, [ 1 ] Error messages on the LCD - service manual
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1. ERROR INDICATION To help the user or the service personnel promptly locate the cause of a problem (if any), the facsimile equipment incorporates the self-diagnostic functions which display error messages for equipment errors and communications errors. For the communications errors, the equipment also prints out the transmission verification report and the communications list. 1.1 Equipment Errors If an equipment error occurs, the facsimile equipment emits an audible alarm (continuous beeping) for approximately 4 seconds and shows the error message on the LCD. For the error messages, see [ 1 ] below. To display detailed error information, use the maintenance-mode function code 82 described in Chapter V, Section 3.13 (that is, make the equipment enter the maintenance mode and then press the 8 and 2 keys). Following the MACHINE ERROR, one of the error codes listed in [ 2 ] will appear on the LCD. [ 1 ] Error messages on the LCD Messages on the LCD CHECK PAPER CHECK PAPER#1 CHECK PAPER#2 CHECK CASSETTE CHECK CASSETTE#1 CHECK CASSETTE#2 COVER OPEN PRINTER JAM Probable Cause Even after paper pick-up operation, the manual insertion sensor does not detect paper. (For those models available with a 2nd paper cassette, the "CHECK PAPER#1" or "CHECK PAPER#2" will appear if the manual insertion sensor or 2nd registration sensor does not detect paper, respectively. If both sensors detect no paper, the "CHECK PAPER" will appear.) The cassette sensor detects that no paper cassette is loaded. (For those models available with a 2nd paper cassette, the "CHECK CASSETTE#1" or "CHECK CASSETTE#2" will appear if the cassette sensor or the 2nd cassette sensor does not detect paper cassette, respectively. If both sensors detect no cassette, the "CHECK CASSETTE" will appear.) The cover sensor detects that the front cover is not closed. (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. VI - 1