Thick Paper
This section gives you various details about and recommendations concerning thick paper.
When loading thick paper of 170 
256 g/m2 (65 lb. Cover 140 lb. Index) in trays 1 2, the small size paper tray, or in the bypass tray, follow the recommendations below to prevent misfeeds and loss of image quality.
Store all your paper in the same environment - a room where the temperature is 20
25°C (68 77°F) and the humidity is 30 65%.When loading thick sheets in trays 1
2 or the small size paper tray, be sure to load at least 20 sheets. Also, be sure to position the side fences flush against the paper stack.Smooth out any curls in the paper before loading it.
Jams and misfeeds can occur when printing on thick glossy sheets. To prevent such problems, be sure to fan glossy sheets thoroughly before loading them. If sheets continue to become jammed or feed in together even after they are fanned, load them one by one from the bypass tray.
When loading thick paper, set the paper direction according to its grain, as shown in the following diagram:
Direction of paper grain
Tray 1
2 or the small size paper trayBypass tray
Even if thick paper is loaded as described above, normal operations and print quality might still not be possible, depending on the paper type.
Prints might have prominent vertical creases.
Prints might be noticeably curled. Flatten out prints if they are creased or curled.
