Call for service: h4-00
H4-00 means thst the copier isn't warming up quickly enough. Try this code to reset it. Press the following buttons in this order: #, interupt, C, interupt, 1, 4 . machine will say sim 14 trouble clear are you sure. Press the OK button. This should reboot the copier. Most likely the machine is in need of a heater lamp in the fuser unit.
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