Required Tools; Repair Procedures - HP C2858A Service Manual

Drafting plotters
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REQUIRED TOOLS

Tools required to disassemble and repair the HP DesignJet 650C plotters are listed in
Table 6-1.
Torx Screwdriver with bits
Screwdriver, flat-blade
Nut Drivers
Pliers, needle-nose
Wrenches, socket or open-end

REPAIR PROCEDURES

Unless otherwise specified, reassembling should be performed in the reverse order of disas-
sembly. Be sure to read and perform any precautions given in the procedures.
Certain repairs will require you to perform calibration procedures to return the plotter to cer-
tain performance parameters or ensure proper operation after repairs are completed. Refer to
the table of calibration requirements in Chapter 7 and perform the calibrations listed after the
appropriate repairs are made.
Many repair procedures require other assemblies to be removed to perform the desired repair.
Assemblies to be removed will be referenced in the procedure. To remove those assemblies,
refer to the appropriate removal procedures in this chapter.
W A R N I N G
Removal and Replacement
6-4
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Table 6 1. Tools Required
Item
Disconnect the plotter from the power source prior to
performing any maintenance. Failure to remove power
may result in death, personal injury or plotter damage.
Size
T8, T9, T10, T15, T20, T25, T30
Small
1/4 in., 3/16 in., 5.5 mm (or 7/32 in.)
Medium
3/8 in., 9/32 in. (or 7mm)

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