Selling tech was a way to expand the business in the early 2000's. Now it is a loss leader. I agree , take tech out and focus on basic supplies and copy center. I'd probably keep the best selling inks and toners on hand though and make the ones for old printers exclusive to dot com.
Staples approach to tech is 100% backward. They either sell hardware at a net loss and expect high school or college kids to force all the overpriced attachments on customers (with no commission), or sell accessories at such high markups it's laughable. $79.99 for a 100' Cat 5 cable available on Amazon for around $10.
Staffing is the biggest challenge. There are still stores that could be profitable if they were able to focus on customers rather than on corporate mandates. I walked into a store and there were 5 other customers looking for assistance while the ONLY employee on the sales floor was chained to a table, demonstrating their Liquid Armor screen protector. I asked how many he sold and he replied 1 for the week. So $30 sale and $15 margin. In the mean time in the half hour I was there at least 3 people were not served and walked out empty handed.