Xerox Phaser 8400 Service Manual page 100

Troubleshooting Procedure for 13,264 to 13,327 Error Code (Printhead) (Continued)
Step Questions and Actions
2 1. Ensure ground integrity of the printer (see
"Ensuring Ground Integrity" on page 4-77).
2. Are all components grounded properly?
3 1. Run the printhead Reservoir Temperature
test.
2. Did the test pass?
4
1. Check and reseat all wiring to the printhead.
2. Did this correct the problem?
13,328.43: The ink loader CYAN heater is too hot.
13,330.45:
The ink loader CYAN heater took too long to reach its setpoint.
13,387.48:
The ink loader CYAN thermistor circuit is open.
13,389.41: The ink loader CYAN thermistor circuit is shorted.
13,391.43: The ink loader CYAN thermistor returned a bad reading, or was
corrupted by ESD.
13,392.44: The ink loader MAGENTA heater is too hot.
13,394.46:
The ink loader MAGENTA heater took too long to reach its setpoint.
13,451.49:
The ink loader MAGENTA thermistor circuit is open.
13,453.42: The ink loader MAGENTA thermistor circuit is shorted.
13,455.44:
The ink loader MAGENTA thermistor returned a bad reading, or ESD
corruption.
13,456.45:
The ink loader YELLOW heater got too hot.
13,458.47:
The ink loader YELLOW heater took too long to reach its setpoint.
13,515.41: The ink loader YELLOW thermistor circuit is open.
13,517.43: The ink loader YELLOW thermistor circuit is shorted.
13,519.45:
The ink loader YELLOW thermistor returned a bad reading, or ESD
corruption.
13,520.46:
The ink loader BLACK heater got too hot.
13,522.48:
The ink loader BLACK heater took too long to reach its setpoint.
13,579.42: The ink loader BLACK thermistor circuit is open.
13,581.44: The ink loader BLACK thermistor circuit is shorted.
13,583.46:
The ink loader BLACK thermistor returned a bad reading, or ESD
corruption.
3-34
Yes
Go to Step 3.
Go to Step 4.
Complete.
Phaser 8400/8500/8550 Color Printer
No
Resolve ground
integrity.
Replace the
printhead.
Replace the
printhead.