I've lost both cartridges, the ink was discharged, directly, I refill the black and a colorcartridge. Then I do a test print and the result is smooth and good wow.
If this error P08 does not clear, please
1. Turn off printer, cable power still plug in,
2. Press Stop/Reset button don't release
3. Press Power Button don't release and than release Stop/Reset button
4. Press Stop/Reset button 2X and than release Power Button, wait until service mode to " 0 "
5. Turn off printer, cable power still plug in
6. Press Stop/Reset button don't release
7. Press Power Button don't release and than release Stop/Reset button
8. Press Stop/Reset button 4X and than release Power Button, wait until service mode to " 1 "
9. Turn off printer, and loose cable power, wait one minute.
10. Connect cable power, turn on printer again, now this printer ready to use.
(1) ON button / Power lamp
Turns the power on or off. Before turning on the power, make sure that the Document Cover is closed.
(2) LED (Light Emitting Diode)
Displays the number of copies, Maintenance code, or operational status such as an error code.
(3) [+] button
Specifies the number of copies.
(4) Ink lamps
Light or flash orange when ink runs out, etc. The lamp on the left indicates the Color FINE Cartridge status and the lamp on the right indicates the Black FINE Cartridge status.
(5) Paper button
Selects the page size and media type.
(6) SCAN button
Starts scanning the original to save it on the computer.
(7) Stop/Reset button
Cancels operations. You can also press this button to cancel a print, copy, or scan job in progress.
(8) Color button*
Starts color copying. You can also press this button to finalize your selection for the setting item.
(9) Black button*
Starts black & white copying. You can also press this button to finalize your selection for the setting item.
(10) Fit to Page button / Fit to Page lamp
Enables the Fit-to-Page copy function. You can copy the original automatically enlarged or reduced to fit the selected page size. When the Fit-to-Page copy function is disabled, you can make copies in the same size as the original.
(11) (Maintenance) button
Specifies the Maintenance code.
(12) Paper lamp
Lights to indicate the page size and media type selected with the Paper button.
(13) Alarm lamp
Lights or flashes orange when an error occurs, such as paper-out or ink-out.
* In the software applications or manuals, the Black and Color buttons are collectively called the "Start" or "OK" button.
Source : http://3.bp.blogspot.com/-EGOYy0A9cKg/TV3o7hFp5qI/AAAAAAAAALY/_BktgS3Jj9E/s1600/panel+mp258.JPG