Adding Supplies; Replacing The Toner Cartridge - imagistics C140 Operating Manual

Adding Toner:
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(1) Replacing the toner cartridge

When the Add Toner indicator lights, there is insufficient toner in the copier.
Replace the toner cartridge.
* Once the Add Toner indicator lights, continuous copying is not possible. In
this case, a maximum of approximately 20 copies can be made one at a
time and, thereafter, copying will be impossible. Therefore, it is
recommended that the toner cartridge be replaced as soon as possible.
1. Open the front cover.