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Phaser 840 and 850 Color Printers
13,000:Printhead thermals
Printhead thermal faults are determined by a thermistor
in the printhead. Ensure that there is adequate clearance for airflow (at least 4 inches
(10 cms.) on all sides) and that the room temperature is below 90
o
F (35
o
C)
.
13,001.40:
TCH_JS_LEFT_OPEN
The thermistor in the left jet stack appears to be open.
Check the printhead cabling. Replace the printhead.
13,002.41
TCH_JS_LEFT_SHORT
The thermistor in the left jet stack appears to be shorted.
Check the printhead cabling. Replace the printhead.
13,003.42:
TCH_JS_LEFT_HOT
The left jet stack heater is running away. Unplug the
printer NOW! Check the printhead cabling. Replace the
printhead.
13,004.43:
TCH_JS_LEFT_SLOW
The left jet stack heater is not heating at all, or is heating
too slowly. Ensure the printer is not located next to an
air-conditioning duct. Check that the printhead-to-drum
gap is not too close (the drum can act as a heatsink).
Inspect the printer wiring. Replace the printhead.
13,017.47:
TCH_JS_RIGHT_OPEN
The thermistor in the right jet stack appears to be open.
Check the printhead cabling. Replace the printhead.
13,018.48:
TCH_JS_RIGHT_
SHORT
The thermistor in the right jet stack appears to be shorted.
Check the printhead cabling. Replace the printhead.
13,019.40):
TCH_JS_RIGHT_HOT
The right jet stack heater is running away. Unplug the
printer NOW! Check the printhead cabling. Replace the
printhead.
13,020.41:
TCH_JS_RIGHT_SLOW
The right jet stack heater is not heating at all, or is not
heating as quickly as it should.
13,033.45:
TCH_RESERVOIR_
OPEN
The thermistor in the reservoir appears to be open. Check
the printhead cabling. Replace the printhead.
13,034.46:
TCH_RESERVOIR_
SHORT
The thermistor in the reservoir appears to be shorted.
Check the printhead cabling. Replace the printhead.
13,035.47:
TCH_RESERVOIR_HOT
The reservoir heater is running away. Unplug the printer
NOW! Check the printhead cabling. Replace the
printhead.
13,036.48:
TCH_RESERVOIR_
SLOW
The reservoir heater is not heating at all, or is not heating
as quickly as it should. Check the printhead cabling.
Replace the printhead.
Table 4 Front panel and fault history log error codes and messages
Error code
Meaning
Summary of Contents for Phaser 840
Page 11: ...xii Phaser 840 and 850 Color Printers ...
Page 65: ...54 Phaser 840 and 850 Color Printers ...
Page 101: ...90 Phaser 840 and 850 Color Printers ...
Page 125: ...114 Phaser 840 and 850 Color Printers ...
Page 134: ...Service Guide 123 Clearing PostScript NVRAM menu item ...
Page 135: ...124 Phaser 840 and 850 Color Printers ...
Page 166: ...Service Guide 155 Figure 1 Cabinet FRUs 7 5 6 8 1 2 4 0388 21 3 9 9 ...
Page 170: ...Service Guide 159 Figure 3 Paper path FRUs 0388 80 2 1 5 11 10 9 12 6 4 3 7 13 8 11a 11b ...
Page 172: ...Service Guide 161 Figure 4 Motor and fan FRUs 0388 14 7 4 3 5 6 2 1 ...
Page 174: ...Service Guide 163 Figure 5 Circuit board FRUs 4 3 5 2 1 9 7 6 8 10 11 13 0388 81 12 7a ...
Page 176: ...Service Guide 165 Figure 6 Solenoid and clutch FRUs 4 5 3 2 1 0388 23 ...
Page 182: ...Service Guide 171 Figure 9 High capacity PaperTray 0388 65a 1 2 ...