roland sp300 error messages

[fusion]

hi having problems with my roland versacam sp 300
error codes
service call 0104
internal error 0780544
service call 002
also does any one no how to unlock service mode

 

[chopper]

to unlock service mode it is down arrow right arrow up arrow
and then press right arrow,down arrow, and left arrow at the same time.
//chopper

 

[Tates Tees]

Im in chicago. I need help or info to install printhead. I have internal error code. 7082243912. Call Jesse please