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Service Guide
87
Key FRU Removal and
Replacement
This topic illustrates how to remove and replace key printer Field Replaceable
Units (FRUs). For more detailed removal/replacement procedures, refer to the
Color Printer Service & Support Resources CD-ROM
. Procedures included here are:
■
Main board
■
Power control board
■
Power supply
■
Upper feed roller assembly
■
Preheat/drum heater assembly.
■
Drum/transfix assembly.
■
Drum position sensor assembly
■
Printhead
■
X-axis motor and drive assembly
■
Y-axis belt drive assembly
■
Cap/wipe/purge assembly
This topic concludes with a discussion about printhead locking.
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 ...