Your needs, this model
Does it fit your priorities?
Does its LED tell me when a pencil is sharp?
No. The 2015 catalog says the LED alerts users when the shavings receptacle needs emptying; it does not describe a sharp-completion light.
Do six adjustable pencil sizes mean it accepts a 12 mm pencil?
The catalog does not list the six sizes or a diameter interval, so the icon cannot confirm a 12 mm shaft.
Does Fly-Away Cutter provide a measured point length?
No. The claim is that it prevents over-sharpening; the source gives no point length, geometry or tolerance.
How much does its Extra Large bin hold?
The grid uses an Extra Large category but gives no volume or emptying interval. Treat that as maker comparison language, not a capacity measurement.
The SharpX Principal Electric Pencil Sharpener appears as item 1773 in the X-ACTO-branded 2015 catalog. The block gives more detail than a bare model name: it describes a receptacle-full LED, high-volume classroom or large-office use, and an ETL listing for the United States and Canada. The wording and product image identify a historical catalog item; they do not verify a current seller's package, service status, or electrical condition.
The Principal's distinctive signal
The clearest functional detail is the LED indicator that alerts users when the shavings receptacle needs to be emptied. It is a bin-status signal, not a light telling the user that a pencil has reached its intended point. That distinction matters if the practical question is whether the machine will stop at a sharpening endpoint or whether it simply indicates a full container. The page does not say that the receptacle alert stops the motor or prevents operation with the bin removed.
The feature icons name a 33-times-longer blade-life claim, Shavings Full Receptacle Alert, Fly-Away Cutter as preventing over-sharpening, SafeStart operation, Adjustable for 6 Pencil Sizes, and School Use. No comparison baseline or test method accompanies the blade-life claim. “Adjustable for 6 pencil sizes” gives a count, not six diameter values, profiles, or a supported length range. The fly-away description supports an over-sharpening-prevention claim, but not a measured point length or a universal result across pencil cores.
How to read its usage grid
The matrix highlights Large Office and School locations, Heavy usage frequency, Maximum gauge 16, an Extra Large receptacle category, and a ten-year warranty band. These are comparative catalog categories. They should not be converted into a daily pencil count, duty cycle, bin capacity, or current warranty promise. The adjacent prose calls the model suitable for high-volume classroom or large-office use, which is still a manufacturer positioning statement rather than independent throughput testing.
The Principal is a useful historical comparison against the SharpX Performance 1772 on the same spread. Both carry a receptacle-full signal, a fly-away claim, SafeStart, an adjustable-for-six-sizes icon, school use, and the same broad location and Heavy selections. The catalog grid labels the Principal's shavings receptacle Extra Large, while the Performance 1772's is Large. The page does not explain a physical volume difference or show a measurement, so treat this as a maker category distinction only—not proof of the number of pencils each bin holds.
Why it is not a fit recommendation
Item 1773 lacks the dimensions a buyer would need to match a particular pencil. No numeric diameter range, shaft shape list, pencil-length requirement, media compatibility, sharpening time, sound rating, or care instructions appear in this block. The six-size adjustment statement cannot be used as a substitute for dimensions. The source also does not state the input voltage, plug, cord arrangement, or current package contents.
SafeStart is an icon with no described sequence here; it does not prove a bin-removal motor interlock. The LED's receptacle alert must not be mislabeled as a sharp-completion signal. The “fly-away cutter prevents over-sharpening” wording is relevant to point control, but it gives no geometry, timing, or tolerance. For a current machine, the original owner's manual and exact model label remain necessary.
Historical identity and purchase boundary
The 2015 page identifies the SharpX Principal by item 1773. It does not bridge this unsuffixed item to the separately documented X-ACTO SharpX Classic 1771 or to a suffix-bearing seller listing. A family resemblance or shared “SharpX” word is not evidence of identical cutters, controls, fit range, or package contents. No present availability or recall-free determination is made by this catalog review.
This is most useful to a school or office trying to interpret an existing item number or compare the maker's old category language. It is not a recommendation to buy an old unit sight unseen. Confirm the exact edition, operating instructions, physical state, and any current safety documentation before using or sourcing one.
Key specifications
Key details at a glance
| Pencil-size control | Adjustable for 6 pencil sizes |
|---|---|
| Point-stop feature | Fly-away cutter icon is labeled as preventing over-sharpening; exact geometry or stopping tolerance is not given. |
| Stops at a sharpening point | Yes |
Use the exact model’s instructions for operating limits, supplied equipment and version differences.
Sources for this review
Sources for this assessment
Check your own needs against the model
Use the finder to apply the documented limits, then verify the exact model and package before choosing a seller.