HP 8550 Service Manual - Page 508
E216, detects a temperature of 150° C or more while the scanning lamp is
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Flat cable 3 (between J2037 and J2015) and connectors Reader 4 controller PCB Are connector J1610, connectors NO J2037 and J2015 of the flat cable, and connector J2039 of the lamp YES heater connected securely? Is the voltage 38 V between NO connectors J1611-1 (GNDU) and J1611-2 (+38V) on the harness YES side of the reader controller PCB? Connect the connectors securely. Replace the flat cable. Or, check each of the connectors. See "No dc power to the copy module" on page 520. Replace the reader controller PCB. E216, E219 E216:The scanning lamp (fluorescent lamp) fails to turn on when the power has been turned off and then on. This error occurs when the intensity sensor does not detect light from the scanning lamp in 15 seconds. E219:The scanning lamp (fluorescent lamp) has reached the end of its life. This error occurs when the thermistor of the scanning lamp detects a temperature of 150° C or more while the scanning lamp is on. Cause Fluorescent lamp Inverter PCB Reader controller PCB Step 1 2 Checks Replace the fluorescent lamp. Is the problem corrected? Replace the inverter PCB. Is the problem corrected? Yes/No Action YES End. YES NO End. Replace the reader controller PCB. E217 The temperature does not exceed the setting when the lamp heater is powered for three minutes or more while the scanning lamp heater is going through constant temperature control. Cause Step Lamp heater, 1 reader controller PCB Checks Replace the lamp heater. Is the problem corrected? Yes/No Action YES End. NO Replace the reader controller PCB. 506 Chapter 7 - Troubleshooting EN