Canon LBP7210Cdn Manual page 471

Solution 3 Perform the following procedure in the printer driver.
1. Display the [Paper Source] sheet.
2. Set [Paper Type] as follows.
If you perform the above procedure, residual images may appear on non-printed
areas.
Solution 4 Perform the following procedure in the printer driver.
1. Display the [Finishing] sheet.
2. Click [Advanced Settings].
3. Set [Special Print Mode] to [Special Settings 6].
Normally, use the printer with [Special Print Mode] set to [Off]. Specify [Special Settings
6] only if the described problems occur.
A problem has occurred inside the printer.
Cause 3
Solution When the
Alarm Indicator Is
The Printed Paper Has Smudge Marks
The fixing roller inside the printer is dirty.
Cause
Solution Clean the fixing roller.
"Cleaning the Inside of the Printer"
IMPORTANT
When using thin paper
Do not specify [Special Settings 3]. This may result in paper
wound around the fixing unit or other problems.
Current Setting Changed Setting
[Plain Paper L2] [Plain Paper L]
[Plain Paper L] [Plain Paper]
[Plain Paper] [Heavy Paper 1]
[Heavy Paper 1] [Heavy Paper 2]
[Heavy Paper 2] [Heavy Paper 3]
[Envelope] [Envelope H]
[Coated Paper 1] [Coated Paper 2]
[Coated Paper 2] [Coated Paper 3]
[Coated Paper 3] [Coated Paper 4]
(Alarm) indicator is on, perform the solution using the procedure in
On".
IMPORTANT
Cleaning the fixing roller
"The