Dell 1135N Service Manual page 112

10) Ghost (2)
Description : Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
(When printing on card stock or transparencies using manual feeder)
When printing on card stock
thicker than normal paper or
transparencies such as OHP, higher
Service Manual
Alignment and Troubleshooting
transfer voltage is
required.
4-39
Select 'Thick Mode' on paper type
menu from the software application
and after using returning to the
original mode is recommended.