Canon LASER CLASS 730i, Service Manual

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LASER CLASS 730i/720i/710 Chapter 4: Maintenance and Service
4-19
• EPT (Echo Protect Tone)
Change service data #1 SSSW SW03 bit 1.
Bit 1:
1 Transmit an echo protect tone.
0 Do not transmit an echo protect tone.
• Adjust NL equalizer.
Set service data #2 MENU Parameter No.05 to “ON”.
• Reduce the transmission start speed.
Reduce the transmission speed by changing “TX START SPEED” setting in user data
“SYSTEM SETTINGS”.
• Loosen the TCF judgment standard.
Not available for this fax.
• Loosen the RTN transmission conditions.
Change service data #3 NUMERIC Param. Parameters No.02 to 04.
No.02 Percentage of errors in all lines
: Set close to 99%.
No.03 Number of lines of burst condition : Set close to 99 lines.
No.04 Lines below the burst condition : Set close to 99 times.
• Increase the no-sound time after CFR reception.
Change service data #1 SSSW SW04 bit 4 to “1”.
Bit 4:
1 Time when the low-speed signal is ignored after sending a CFR signal:
1500 ms
0 Time when the low-speed signal is ignored after sending a CFR signal:
700 ms
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