Oce CS2436 User Manual page 673

Troubleshooting (CS2436-11)
Clear any jammed paper from inside the Top Cover.
After removing the paper, make sure there are no other scraps of paper in the
printer.
Close the Top Cover.
Important
Do not move the Carriage over jammed paper. This may damage the
Printhead.
Do not touch the Linear Scale (a) or Carriage Shaft (b). This may stain your
hands and damage the printer.