Caro
Retire novamente a tampa traseira da impressora e se certifique que nenhum papel ainda esta enroscado no roler da impressora.
No Windows volte a configuração Default da impressora
1. Click Start, point to Settings, and then click Printers or Printers and Faxes.
- Or -
Click Start, click Control Panel, and then double-click Printers.
2. Right-click the printer icon, and then click Properties, Document Defaults, or
Printing Preferences.
3. Change the settings that you want, and then click OK.
Mais informações no manual
http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01325186/c01325186.pdf
Att.
Lincoln