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Service Guide
75
Vacuum check
Use this check to verify the actions of the vacuum pump and the solenoid valve.
In addition, you can determine if the cap/wipe/purge assembly is sealing
properly against the printhead faceplate.
1.
Turn off the printer.
2.
Remove the top and right-side covers.
3.
With a T-connector, connect the vacuum gauge to the between the
vacuum/pump module and the cap/wipe/purge unit.
Tools required
■
Magnetic screwdriver
■
Vacuum gauge
■
T-20 TORX tip
■
T-15 TORX tip
■
PC diagnostics
Connecting the vacuum gauge to the printer
0388-35
Vacuum guage
40
20
0
60
-76
Cap/wipe/purge
vacuum hose
T-connector
Vacuum
assembly
Summary of Contents for Phaser 840
Page 46: ...36 Phaser 840 Color Printer ...
Page 95: ...Service Guide 85 Clearing PostScript NVRAM menu item ...
Page 96: ...86 Phaser 840 Color Printer ...
Page 121: ...Service Guide 111 Figure 1 Cabinet FRUs 7 5 6 8 1 2 4 0388 21 3 ...
Page 125: ...Service Guide 115 Figure 3 Paper path FRUs 0388 16 2 1 5 11 10 9 12 6 4 3 7 13 8 ...
Page 127: ...Service Guide 117 Figure 4 Motors and fans FRUs 0388 14 7 4 3 5 6 2 1 ...
Page 129: ...Service Guide 119 Figure 5 Circuit boards FRUs 4 3 5 2 1 9 7 6 8 10 11 13 0388 13 12 ...
Page 131: ...Service Guide 121 Figure 6 Solenoids and clutches FRUs 4 5 3 2 1 0388 23 ...
Page 137: ...Service Guide 127 Figure 9 High capacity PaperTray 0388 65a 1 2 ...
Page 142: ...132 Phaser 840 Color Printer ...
Page 154: ...144 Phaser 840 Color Printer ...