Chemically treated papers that are used to make copies without carbon paper. They are also known as carbonless papers, carbonless copy paper (CCP), or no carbon required (NCR) paper.

Preprinted papers with chemicals that may contaminate the printer.

Preprinted papers that can be affected by the temperature in the printer fuser.

Preprinted papers that require a registration (the precise print location on the page) greater than ±2.3 mm (±0.09 in.). For example, optical character recognition (OCR) forms.

Sometimes, registration can be adjusted with a software app to print successfully on these forms.

Coated papers (erasable bond), synthetic papers, or thermal papers.

Rough‑edged, rough or heavily textured surface papers, or curled papers.

Papers that fail EN12281:2002 (European).

Paper weighing less than 60 g/m

2

(16 lb-bond).

Multiple‑part forms or documents.