Claims
- 1. A finisher for an image forming apparatus, comprising:a plurality of trays movable up and down for stacking papers thereon; drive means for causing any one of said plurality of trays to move up and down; a pair of outlet rollers for discharging papers to any one of said plurality of trays; a roller support member supporting one of said pair of outlet rollers for displacing the one outlet roller in accordance with a thickness of the papers being discharged; switch means actuated by said roller support member when the thickness of the papers is greater than a preselected thickness; and control means for causing, based on actuation of said switch means, said drive means to stop moving the tray.
- 2. A finisher as claimed in claim 1, wherein said roller support member includes a guide surface for guiding the papers being discharged.
- 3. A finisher as claimed in claim 1, wherein said preselected thickness is greater than a thickness that said finisher can discharge.
Priority Claims (10)
Number |
Date |
Country |
Kind |
10-165219 |
Jun 1998 |
JP |
|
10-170154 |
Jun 1998 |
JP |
|
10-221688 |
Aug 1998 |
JP |
|
10-224356 |
Aug 1998 |
JP |
|
10-245792 |
Aug 1998 |
JP |
|
10-248492 |
Sep 1998 |
JP |
|
10-252274 |
Sep 1998 |
JP |
|
10-252805 |
Sep 1998 |
JP |
|
10-325033 |
Nov 1998 |
JP |
|
11-077995 |
Mar 1999 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a divisional application of U.S. application Ser. No. 09/923,947 filed Aug. 8, 2001, U.S. Pat. No. 6,416,052 which is a divisional application of Ser. No. 09/777,893 filed Feb. 7, 2001, U.S. Pat. No. 6,322,070 which is a divisional application of Ser. No. 09/332,442 filed Jun. 14, 1999, U.S. Pat. No. 6,231,045 and claims priority to Japanese Application Nos. 10-165219 filed Jun. 12, 1998, 10-170154 filed Jun. 17, 1998, 10-221688 filed Aug. 5, 1998, 10-224356 filed Aug. 7, 1998, 10-245792 filed Aug. 31, 1998, 10-248492 filed Sep. 2, 1998, 10-252274 filed Sep. 7, 1998, 10-252805 filed Sep. 7, 1998, 10-325033 filed Nov. 16, 1998 and 11-077995 filed Mar. 23, 1999.
US Referenced Citations (21)
Foreign Referenced Citations (1)
Number |
Date |
Country |
57077158 |
May 1982 |
JP |