UX-470DE
FO-880DE/NX-670DE
3. Diagnostic items description3. 6. Signal send mode
3. 1. Soft switch modeThis mode is used to send various signals to the circuit during FAX com-
munication. Every push of START key sends a signal in the following
Used to change the soft switch settings.
sequence. Moreover, the signal sound is also output to the speaker when
The soft switch which is stored internally is set by using the keys.the line monitor of the soft switch is on.
The available soft switches are SW-A1 to SW-M2.[1] No signal (CML signal turned on)
The content of soft switches is shown in page 2-5 to 2-16.[2] 9600bps
The contents are set to factory default settings.[3] 7200bps
[4] 4800bps
3. 2. ROM & RAM check
[5] 2400bps
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[6] 300bps (FLAG)
as well as by printing the ROM & RAM check list.[7] 2100Hz (CED)
Number of short sounds of buzzer 0 ? No error[8] 1100Hz (CNG)
1 ? ROM error[9] END
2 ? RAM error (32Kbyte)
3. 3. Aging mode3. 7. Memory clear
If any document is first present, copying will be executed sheet by sheet.This mode is used to clear the backup memory and reset to the default
settings.
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 5min-
utes, and will be ended at a total of 10 sheets.3. 8. Shading mode
The mode is used for the shooting compensation. For reading, set up
3. 4. Panel key testthe special original paper.
This mode is used to check whether each key operates properly or not.The shooting compensation memorizes the reference data of white and
Press the key on the operation panel, and the key will be displayed onblack for reading.
the display. Therefore, press all keys. At this time,finally press the STOPMoreover, the memorized data is not erased even if memory clear mode
key.is executed.
When the STOP key is pressed, the keys which are not judged as
"pressed" will be printed on the result list.3. 9. All black print
Y LED port of the contact image sensor (CIS) is kept on during the termThis mode is used to check the state of the printing head and inten-
from when start of the panel test mode to end with the STtionally overheat it. Whole dots are printed over the interval of 2 m. If it isOP key.
overheated or the printing sheet is jammed, press STOP key for the end.
3. 5. Check pattern
3. 10. Auto feeder mode
This mode is used to check the state of the printing head. It is ended
with the following pattern printed on one printing sheet.In this mode, a document is inserted and discharged to check the auto
feed function.
1 Longitudinal stripe 2 Approx. 30 mm
After this mode is started, set a document, and the document feed will
2 black dots and 2 white dots are repeatedly progressed on onebe automatically tested.
line.
2 Full blackApprox. 30 mm3. 11. Message print
Used to print the displayed message of communication for translate each
language.
1
3. 12. Ring & Dial free
Used to reject dial tone check while autodialing is carried out. And used
2to 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 en-
ters 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
2 � 3 |
ACEC
