Buzzer Sounding Patterns; Upon Start Of Pc Loading; Upon Normal End; Upon Error Occurrence - Oki OKIFAX4550 Maintenance Manual

5.

Buzzer Sounding Patterns

The buzzer sounding patterns for various cases are shown below. In each case, the buzzer frequency
is 2,400 Hz and the sound volume is maximum.
5.1

Upon Start of PC Loading

5.2

Upon Normal End

5.3

Upon Error Occurrence

The following sounding patterns are provided for indicating various error causes. Intermittent
sounding is repeated until the MFP power is turned off. See "6. List of Error Causes and
Corresponding Codes" for details of the error causes and codes.
(1) Receive data hash check NG (error code: "01")
1s
ON OFF
(2) Flash memory erase/write NG (error code: "02")
1s 1s
ON OFF
(3) Disagreement between contents of flash memory and external RAM (error code: "03")
1s 1s
ON ON
(4) Other error (error code: other than above)
5s
ON
41309401TH Rev.4
1s
ON
3s
ON
3s 1s
ON
1s 3s 1s
ON OFF ON
1s 1s 1s 3s
ON OFF ON OFF
1s
OFF
1s 1s
OFF ON
1s 1s 1s
ON OFF ON
5s
ON
1s 1s
OFF ON
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