Phaser 6121MFP Service Manual 6-11
Adjustments and Calibrations
ECM Mode
Select error correction mode.
Default Setting
The default setting is On.
Available Settings
• On: When an error occurs during communication, resend the frame where the 
error occurs.
•  Off: Any error is ignored during communication.
Coding Scheme
Select compression method in TX/ RX mode.
Default Setting
The default setting is JBIG.
Available Settings
• MMR: A compression method.
• MR: A compression method.
• MH: The simplest compression method.
• JBIG: The most complex compression method that generates the smallest 
code.
Toner Empty Report
Send a report when toner empty errors occur. Enter the Fax number where the 
report is sent. The report is sent at 20 minute, 24 hours, 48 hours, or 72 hours after 
the error occurs or until the condition is clear.
Fax number specifications: An up-to-20-digit number that may consist of 
[0-9], [*], [#], [pause], and [space] (0-9, #, *, pause, _).
Default Setting
The default setting is Off.
Available Settings
• On: Generate a report to report destination.
• Off: No generate report.