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UX-470ES/SE/AT FO-880ES/AT 3. Diagnostic items description 3. 1. Soft switch mode
Used to change the soft switch settings. The soft switch which is stored internally is set by using the keys. The available soft switches are SW-A1 to SW-M2. The content of soft switches is shown in page 2-5 to 2-16. The contents are set to factory default settings.
3. 6. Signal send mode
This mode is used to send various signals to the circuit during FAX communication. Every push of START key sends a signal in the following sequence. Moreover, the signal sound is also output to the speaker when the line monitor of the soft switch is on. [1] No signal (CML signal turned on) [2] 9600bps [3] 7200bps [4] 4800bps [5] 2400bps [6] 300bps (FLAG) [7] 2100Hz (CED) [8] 1100Hz (CNG) [9] END
3. 2. ROM & RAM check
ROM executes the sum check, and RAM executes the matching test. The result will be notified with the number of short sounds of the buzzer as well as by printing the ROM & RAM check list. Number of short sounds of buzzer 0 � No error 1 � ROM error 2 � RAM error (32Kbyte)
3. 3. Aging mode
If any document is first present, copying will be executed sheet by sheet. If no document is present, the check pattern will be printed sheet by sheet. This operation will be executed at a rate of one sheet per 5minutes, and will be ended at a total of 10 sheets.
3. 7. Memory clear
This mode is used to clear the backup memory and reset to the default settings.
3. 8. Shading mode
The mode is used for the shooting compensation. For reading, set up the special original paper. The shooting compensation memorizes the reference data of white and black for reading. Moreover, the memorized data is not erased even if memory clear mode is executed.
3. 4. Panel key test
This mode is used to check whether each key operates properly or not. Press the key on the operation panel, and the key will be displayed on the display. Therefore, press all keys. At this time,finally press the STOP key. When the STOP key is pressed, the keys which are not judged as "pressed" will be printed on the result list. � LED port of the contact image sensor (CIS) is kept on during the term from when start of the panel test mode to end with the STOP key.
3. 9. All black print
This mode is used to check the state of the printing head and intentionally overheat it. Whole dots are printed over the interval of 2 m. If it is overheated or the printing sheet is jammed, press STOP key for the end.
3. 5. Check pattern
This mode is used to check the state of the printing head. It is ended with the following pattern printed on one printing sheet. Longitudinal stripe 2 Approx. 30 mm
3. 10. Auto feeder mode
In this mode, a document is inserted and discharged to check the auto feed function. After this mode is started, set a document, and the document feed will be automatically tested.
1
2 Full black
2 black dots and 2 white dots are repeatedly progressed on one line. Approx. 30 mm
3. 11. Message print
Used to print the displayed message of communication for translate each language.
1 2
3. 12. Ring & Dial free
Used to reject dial tone check while autodialing is carried out. And used to change the bottom Ring frequency of auto-receiving to 13Hz.
3. 13. Flash memory check
Data is written into and read from the flash memory to check the data conformity. When the unit enters this mode, the check is started.
3. 14. Flash memory clear
Data in the flash memory is cleared (memory clear). When the unit enters this mode, the check is started. The result is announced by the buzzer beeps. The result of check is printed. Beeps 0 � No error 1 � Memory error
