Install the Diagnostic and Boot Flash File Release PS 3.5.0 first before installing the Firmware Maintenance Release PS 3.5.8.
Phaser 7760 Firmware PS 3.5.8 resolves a problem with a large color plane shift on first printed page after first power on or after coming out of standby, a problem with the Finisher stapler adjustment diagnostics not working, and a PostScript clipping problem with minimum margins on SRA3 page size.