This Value is divided into 15-8bit and 7-0bit.
15-8bit indicates Email Sending Test's Result.
7-0bit indicates Email Receiving Test's Result.
(However, the value from 0x00 to 0x04 is only set to 7-0bit.)
0x00 indicates the Email Test is not running.
0x01 indicates the Email Test is running. ('BUSY')
0x02 indicates the Email Test is canceled.('CANCELED')
0x03 indicates the Email Test is Locked by another Email Test process.(LOCKED)
0x04 indicates the Email Test is not executed. -- unused
0x10 indicates the Status 'Fatal Error is occurred during Email Testing'.
0x20 indicates the Status 'Invalid value is set in SMTP Server Address'.
0x21 indicates the Status 'Invalid value is set in SMTP-AUTH Account Name'.
0x22 indicates the Status 'Invalid value is set in SMTP-AUTH Password'.
0x30 indicates the Status 'Invalid value is set in POP3 Server Address'.
0x31 indicates the Status 'Invalid value is set in POP3 Account Name'.
0x32 indicates the Status 'Invalid value is set in POP3 Account Password'.
0x40 indicates the Status 'Invalid value is set in POP3 Printer E-mail Address'.
0x41 indicates the Status 'Invalid value is set in Destination E-mail Address'.
0x50 indicates the Status 'Sending OK'.
0x51 indicates the Status 'Cannot locate SMTP server'.
0x52 indicates the Status 'Cannot connect to SMTP server'.
0x53 indicates the Status 'Cannot authenticate with SMTP server by using method'.
0x54 indicates the Status 'Authentication failure in SMTP server'.
0x55 indicates the Status 'Email Sending Timeout' -- unused
0x60 indicates the Status 'Receiving OK'.
0x61 indicates the Status 'Cannot locate POP3 server'.
0x62 indicates the Status 'Cannot connect to POP3 server'.
0x63 indicates the Status 'Authentication failure in POP3 server'.
0x64 indicates the Status 'Cannot authenticate with POP3 server by using method'.
0x65 indicates the Status 'Email Receiving Timeout' -- unused
0x66 indicates the Email Test is Locked by another Email process.
0x70 indicates the Status 'Cannot resolve the host name (DNS Error)'.