CHAPTER 8 EXTERNALS AND AUXILIARY CONTROL SYSTEMCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 20028-83.3 OperationWhile the machine is in ESS mode, all but the LED indicator of the Energy Save key inthe control panel remain OFF. The machine will not start ESS mode for the following:[1] absence of paper, jam, absence of toner, service error (i.e., the Error lamp is ON)[2] presence of original in ADF (accessory)[3] shift to ESS disabled for printer board, network board (if mounted)[4] If the image memory contains image data.[5] If the communication is set to dial-in mode (on a fax model).The machine ends ESS mode in response to anther press on the Energy Save key in thecontrol panel; it will also end the mode for the following:[1] presence of original in ADF (accessory)[2] copyboard cover open[3] print command from printer board (if mounted)[4] print command or start-up command from network interface board (if mounted)[5] If a fax arrives (on a fax model).[6] If the machine is in off-hook state (on a fax model).[7] If the report output time arrives (on a fax model).[8] If the timer call time arrives (on a fax model).