Canon MP 700, Service Manual

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MultiPASS MP730/MP700 Chapter 4: Maintenance and Service
2003 01/23 THU 10:00
TX/RX No. 0004
Display repeated
2003 01/23 THU 10:00
START AGAIN ##755
4.2.2 Error codes
a) Service error code output
When service data #1 SSSW SW01 bit 0 is set to “1”, then service error codes are printed on
the activity management reports, reception result reports and error transmission reports, when
communication ends in an error. Also, the following is displayed, when an error occurs.
Figure 4-6 Service Error Code Display
b) Error code countermeasures
The following item c) lists all the error codes that the product can display. As for the causes
and countermeasures, only the error codes which are newly incorporated in the unit a
remedies unique to the product are included in the item d). For the causes and
countermeasures of other error codes, refer to the separate G3/G4 Facsimile Error Code List
(Rev. 2).
• Increase the transmission level
Set service data #2 MENU Parameter No.07 to -8(dBm).
• Decrease the transmission level
Set service data #2 MENU Parameter No.07 to -15 (dBm).
• Echo measures
Change the following bit switches of service data #1 SSSW SW03.
Bit 4:1 Ignore the first DIS signal sent by the other fax machine.
0 Do not ignore the first DIS signal sent by the other fax machine.
Bit 5:1 Transmit a tonal signal (1850 or 1650 Hz) when the other fax machine sends a DIS signal.
0 Do not transmit a tonal signal when the other fax machine sends a DIS signal.
Bit 6:1 Transmit a 1650-Hz tonal signal when bit 5 is 1.
0 Transmit a 1850-Hz tonal signal when bit 5 is 1.
Bit 7:1 Transmit a tonal signal before sending a CED signal.
0 Do not transmit a tonal signal before sending a CED signal.