HP 8550 Service Manual - Page 498
E010/E011 printer, E013 printer, A specific number of copies have been made after the waste toner
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E010/E011 (printer) E010:The main motor start-up is faulty. This error occurs when the revolution of the main motor fails to reach a specific value. E011:The main motor rotation is faulty. This error occurs when the revolution of the main motor fails to reach a specific value. Cause Connector Main motor Step 1 2 Checks Y/N Are connector J219 on the dc NO controller PCB and the relay connector J1 connected securely? Does the voltage change from YES about 5 to 0 V between connector NO J219-4 (MON) on the dc controller PCB and connector J219-5 (GND) when the power is turned on? Action Connect the connectors securely. Replace the main motor. Replace the dc controller PCB. E013 (printer) A specific number of copies have been made after the waste toner case full warning has been issued (DISPLAY > SENSOR > W-TONER). Cause Waste toner case Step 1 Checks Is the photosensitive drum cartridge full of waste toner? Y/N Action YES Replace the photosensitive drum cartridge. NO Replace the dc controller PCB. 496 Chapter 7 - Troubleshooting EN