Sheet processing apparatus, sheet processing apparatus control method, and computer-readable storage medium

Abstract

A method for controlling a sheet processing apparatus configured to convey a sheet fed from any one of a plurality of sheet feed units includes detecting curling of the sheet fed from any one of the plurality of sheet feed units, and specifying a sheet feed unit that has fed the sheet having the detected curling from among the plurality of sheet feed units.

1 . A sheet processing apparatus configured to convey a sheet fed from any one of a plurality of sheet feed units, the sheet processing apparatus comprising:
 a curl detecting unit configured to detect curling of the sheet fed from any one of the plurality of sheet feed units; and   a specifying unit configured to specify a sheet feed unit that has fed the sheet having the curling detected by the curl detecting unit from among the plurality of sheet feed units.   
     
     
         2 . The sheet processing apparatus according to  claim 1 , further comprising a notifying unit configured to notify a user of the sheet feed unit specified by the specifying unit. 
     
     
         3 . The sheet processing apparatus according to  claim 2 , further comprising a sheet output unit configured to discharge the sheet fed from any one of the plurality of sheet feed units to a sheet discharge unit,
 wherein the specifying unit is configured to, if the curl detecting unit has detected the curling of the sheet, specify the sheet feed unit that has fed the sheet having the detected curling and a sheet feed unit that has fed the sheet existing in the sheet discharge unit, and   wherein the notifying unit is configured to notify the user of the sheet feed unit specified by the specifying unit.   
     
     
         4 . The sheet processing apparatus according to  claim 3 , further comprising a determining unit configured to determine whether a stacking amount of sheets existing in the sheet discharge unit has reached a predetermined value,
 wherein the notifying unit is configured to, if it is determined by the determining unit that the stacking amount of sheets existing in the sheet discharge unit has reached the predetermined value and the curling of the sheet has been detected by the curl detecting unit, notify the user of the sheet feed unit specified by the specifying unit.   
     
     
         5 . The sheet processing apparatus according to  claim 1 , further comprising:
 an input unit configured to input a curling correction amount for correcting the curling of the sheet; and   a curl adjustment unit configured to correct the curling of a sheet fed from the sheet feed unit specified by the specifying unit according to the curling correction amount input by the input unit.   
     
     
         6 . The sheet processing apparatus according to  claim 5 , wherein the input unit is configured to input the curling correction amount with respect to each sheet feed unit of the plurality of sheet feed units, and
 wherein the curl adjustment unit is configured to correct the curling of the sheet according to the curling correction amount input by the input unit with respect to each sheet feed unit.   
     
     
         7 . The sheet processing apparatus according to  claim 5 , further comprising a notifying unit configured to notify a user of the sheet feed unit specified by the specifying unit,
 wherein the notifying unit is configured to notify the user of the sheet feed unit specified by the specifying unit by displaying a notification screen on a display unit, and   wherein the input unit is configured to input the curling correction amount via the notification screen displayed on the display unit.   
     
     
         8 . The sheet processing apparatus according to  claim 1 , further comprising an image forming unit configured to form an image on the sheet fed from any one of the plurality of sheet feed units,
 wherein the curl detecting unit is configured to detect curling that has occurred due to image forming processing by the image forming unit.   
     
     
         9 . A method for controlling a sheet processing apparatus configured to convey a sheet fed from any one of a plurality of sheet feed units, the method comprising:
 detecting curling of the sheet fed from any one of the plurality of sheet feed units; and   specifying a sheet feed unit that has fed the sheet having the detected curling from among the plurality of sheet feed units.   
     
     
         10 . The method according to  claim 9 , further comprising notifying a user of the specified sheet feed unit. 
     
     
         11 . The method according to  claim 10 , further comprising:
 discharging the sheet fed from any one of the plurality of sheet feed units to a sheet discharge unit;   if the curling of the sheet has been detected, specifying the sheet feed unit that has fed the sheet having the detected curling and a sheet feed unit that has fed the sheet existing in the sheet discharge unit; and   notifying the user of the specified sheet feed unit.   
     
     
         12 . The method according to  claim 11 , further comprising:
 determining whether a stacking amount of sheets existing in the sheet discharge unit has reached a predetermined value; and   if it is determined that the stacking amount of sheets existing in the sheet discharge unit has reached the predetermined value and the curling of the sheet has been detected, notifying the user of the specified sheet feed unit.   
     
     
         13 . The method according to  claim 9 , further comprising correcting the curling of the sheet according to a curling correction amount input by an input unit configured to input the curling correction amount for correcting curling of the sheet. 
     
     
         14 . The method according to  claim 13 , further comprising:
 inputting the curling correction amount with respect to each sheet feed unit of the plurality of sheet feed units via the input unit; and   correcting the curling of the sheet according to the curling correction amount input with respect to each sheet feed unit.   
     
     
         15 . The method according to  claim 13 , further comprising:
 notifying a user of the specified sheet feed unit by displaying a notification screen on a display unit; and   inputting the curling correction amount via the notification screen displayed on the display unit.   
     
     
         16 . The method according to  claim 9 , further comprising:
 forming an image on the sheet fed from any one of the plurality of sheet feed units; and   detecting curling that has occurred due to the image forming processing.   
     
     
         17 . A computer-readable storage medium storing instructions which, when executed by a sheet processing apparatus configured to convey a sheet fed from any one of a plurality of sheet feed units, cause the sheet processing apparatus to perform operations comprising:
 detecting curling of the sheet fed from any one of the plurality of sheet feed units; and   specifying a sheet feed unit that has fed the sheet having the detected curling from among the plurality of sheet feed units.