Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A++
Text excerpt from page 27 (click to view)
Chapter 4
Press and hold the projector�s [Input] and [Keystone] keys, and then plug in the power cord and turn on Main power switch. The projector starts the Firmware upgrade, [LAMP], [TEMP] and [FAN] LED�s are always RED blinking.
The computer begins downloading the upgrade files to the projector. The process may take several minutes.