Epson C7500G Technical Reference Guide - Page 26

Status/Error Indications The printer status is indicated by a combination of LED lighting/flashing and LCD indication. When an error occurs, you can find out the cause and the remedy from the LED & LCD indication for the error.  The color of marks in the Table represents the LED color of the product.  The marks in the Table indicate the following status respectively.  ●: Lit up  ✓: Off  ▼: Flashing (Normal)  ▲: Flashing (Fast)  - : No change LED LCD Printer Status Description (Power) LED Status LED Pause LED Paper LED Ink LED For 2 seconds after the power is turned ON EPSON TM-C**** For 2 to 4 seconds after the power is turned ON 4 seconds after the INITIALIZING power is turned ON ▼● - - - and until the printer * * * * * switches to the idling status POWER OFF * * * * Performing the powering off process * Idling READY ●●- - - * * * * * - The model name is displayed on LCD. The LCD displays the remaining level of ink and the available amount of space in the maintenance box. During this time, do not forcibly turn the power OFF, such as by pulling out the AC power Doing so can cause ink nozzle dropouts. The state in which printing is possible. During the time, the following operations can be done.  Turn off the product  Transition to pause status  Transition to setting mode  Feed, Back feed, or Auto cut the paper 26