Canon TR4755i vs TS3750i: duplex, scanning and paper handling

For these two UK models, TR4755i adds automatic two-sided document printing, an ADF and telephone-line faxing. TS3750i offers printing, flatbed scanning and copying with manual two-sided printing. The practical choice depends on whether those extra document functions save work for you.

The videos use TR4720/TS3720 and broad series names in their titles. This written comparison is limited to the documented TR4755i and TS3750i features. The presenters’ price difference, quality equivalence and setup experiences are not guarantees for every regional model or every home network.

On TR4755i, automatic duplex supports A4 or Letter plain paper: the printer returns the output sheet internally for the second side, with a drying pause. On TS3750i, Canon specifies manual duplex, so you must reload according to the computer’s actual prompt. Automatic print duplex does not mean automatic two-sided scanning.

The supporting recording illustrates the extra manual reload on the TS while the TR handles its own reverse side. The broader comparison also encounters an old queued document, missing paper and an initially closed output support. These conditions make it unsuitable as a controlled speed race. Do not infer a fixed percentage time saving from those clips.

TR4755i has a glass scanner plus an ADF for suitable sheet originals. Canon’s stated 20-sheet A4/Letter maximum has paper-weight and stack-height limits. The feeder reads one face per pass; a two-sided stack needs manual reloading. TS3750i uses a flatbed scanner, so originals are placed individually on the glass.

For photos, fragile originals or attached items, the glass remains the suitable path even on the TR. For faxing, the TR requires its telephone-line connection; the TS3750i does not provide the TR’s hardware fax function.

• TR4755i: front input tray with up to 100 plain A4 sheets; an LCD menu and keypad give direct access to settings. Its applicable driver supports borderless A4/Letter and other listed photo sizes.
• TS3750i: rear input tray with up to 60 plain sheets; a simpler LCD/button panel. Canon lists borderless 10 × 15 cm, 13 × 18 cm and 13 × 13 cm photo sizes, not borderless A4.

These are plain-paper capacity and specific print-mode limits, not instructions to stack that many thick photo sheets. Check the actual media limit. Borderless output can crop the image edges; supported size does not mean every photograph will retain its full composition.

The presenter prefers the TS for simplicity and the TR for direct controls. That is an opinion about usability. The TS still has documented setup and maintenance functions; its smaller display does not mean it has none.

Both exact UK models have compatible PG-575/CL-576 retail cartridge options according to Canon. This does not make cartridges interchangeable across every TR4700 and TS3700 regional variant, or prove identical print quality. Use the exact model’s supply listing and current local price.

The TR’s added document functions make sense if you often print both sides or scan suitable stacks. If most jobs are short and you can reload paper or place each original yourself, the TS’s simpler workflow may be enough. Compare a representative job, current supplies and the workspace required rather than the video’s historical price gap.

No standardized side-by-side colour or durability measurement is supplied by these recordings. The separate duplex demonstration supports the workflow distinction, not a universal winner for quality or speed.