Epson 1000 Reference Manual page 76

REINSERT CARD [E]
You may have removed a card or cartridge while the FEED light
was still lit or while the printer was on line. Make sure the
printer is off line, reinsert the card or cartridge into the correct
slot, and press CONTINUE.
REMOVE CARD [E]
You may have inserted a card or cartridge while the printer
was on line or while the FEED light was on. To correct this
error, take the printer off line, then remove the card or cartridge
and press CONTINUE. Before you re-insert the card or
cartridge, make sure that all data in the buffer has been printed
and that the printer is off line. If the FEED light is on, press
FEED to print out the remaining data.
RESELECT TRAY [E]
The optional lower paper cassette is not installed and the
SelecType INPUT option is set to OPT or AUTO. Install the
optional lower paper cassette; then press CONTINUE or simply
press CONTINUE and paper is automatically selected from the
standard paper bin. Then change the INPUT option to STD.
RESET [S]
The printer has been reset to its previous setting using the
macro number specified with LOAD MACRO in SelecType.
3-24 Troubleshooting