Canon LBP7018C E-Manual page 297

If you change the settings, the toner may not fix onto paper well, and the printing may come out
faint.
Perform the following procedure in the printer driver.
Solution 2
Normally, use the printer with [Special Print Mode] set to [Off]. Change the settings only if the
described problems occur.
If you specify [Special Settings D2], printing speed drops.
<Cause 6> Depending on the printer status, the paper may be creased.
Perform the following procedure in the printer driver.
Solution
Normally, use the printer with [Special Print Mode] set to [Off]. Change the settings only if the
described problems occur.
If you specify [Special Settings D1], toner fixation may deteriorate. In this case, do not specify
[Special Settings D1].
<Cause 7> When printing envelopes, the envelopes may crease depending on the type of the
envelopes or the operating environment (especially in a high-humidity environment).
Perform the following procedure in the printer driver.
Solution
Normally, use the printer with [Special Print Mode] set to [Off]. Change the settings only if the
described problems occur.
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode] to [Special Settings C3].
If the problem is not improved, specify [Special Settings D2].
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode] to [Special Settings D1].
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode] to [Special Settings B6].