MX-M950, MX-MM1100 (serv.man50). User Manual - Sharp Copying Equipment User Guide / Operation Manual. Page 91

Does a message appear instructing you 
to check the staple unit?

Remove jammed staples.

☞

"3. REMOVING MISFEEDS" in the Maintenance 
Guide

Does a message appear instructing you 
to add staples?

Replace the staple cartridge. Do not forget to replace 
the staple case.

☞

"2. REPLACING SUPPLIES" in the Maintenance 
Guide

Is a different width of paper mixed in?

Stapling is not possible when paper of different widths 
are mixed together. To perform mixed size stapling, use 
paper of the same width and select the [Same Width] 
setting. When copying, select [Same Width] from [Mixed 
Size Original] in the special modes.

Are there more sheets than can be 
stapled at once?

For the maximum number of sheets that can be stapled, 
see "SPECIFICATIONS" in the Safety Guide.

Is a paper size that cannot be stapled 
included in the print job?

For the paper sizes that can be stapled, see 
"SPECIFICATIONS" in the Safety Guide.

Is the paper type setting of the tray 
selected in the printer driver set to a 
paper type that cannot be stapled?

Check the paper type settings in the machine and select 
a tray that has paper that can be used for stapling*. 
Click the [Tray Status] button in "Paper Selection" on 
the [Paper] tab of the printer properties window and 
check the paper type setting of each tray.
* Stapling is not possible on labels, tab paper, 

transparency film, or envelopes. In addition, if "Disable 
Staple" is selected in the user type, stapling will not be 
possible.

Is the paper type setting of the selected 
paper tray set to heavy paper?

Saddle stitch is not possible on heavy paper. (However, 
when cover insertion is selected, saddle stitch is 
possible when a single sheet of heavy paper is inserted 
for use as a cover.)

Have functions been disabled by the 
administrator?

Some functions may have been disabled in the system 
settings (administrator). Check with your administrator.