Change map size: full screen, normal, (and for printing) landscape, portait.
(portrait). Disabled for Bing as printing is against OS T&C's. It is allowed in OS Openspace.
Hints: Use 'Print Preview'. You may need to reduce scaling ('shrink to fit'), and remove headers / footers / borders.
Ordnance Survey (OS) mapping covers England, Wales and Scotland - not Northern Ireland or the Channel Islands. Isle of Man is 1:50K only.
Legend : OS 1:25K pdf,
OS 1:50K pdf.
OpenStreetMap is an opensource global crowd sourced map. It is better at showing footpaths than the OS in some places.