1. A sheet processing apparatus which checks sheets and sorts the sheets for a plurality of cassettes on the basis of the check result and conditions for the sheets which are assigned to the respective cassettes, comprising:
a display unit which displays information indicating a condition for a sheet which is assigned to each cassette;
a first selection unit which selects a cassette displayed by the display unit;
a second selection unit which selects a condition for a sheet which is displayed by the display unit; and
a setup unit which, when a cassette is selected by the first selection unit and a condition for a sheet is selected by the second selection unit, assigns the condition selected by the second selection unit to the cassette selected by the first selection unit.
2. An apparatus according to claim 1, wherein the second selection unit is a button which selects a sheet type as a condition for a sheet.
3. An apparatus according to claim 1, wherein the second selection unit is a button which selects an unfit state of a sheet as a condition for a sheet.
4. An apparatus according to claim 1, wherein the second selection unit is a button which selects an orientation of a sheet as a condition for a sheet.
5. An apparatus according to claim 1, wherein the second selection unit is a button which selects a condition for a sheet as a combination of a sheet type and an unfit state.
6. An apparatus according to claim 1, wherein the display unit displays a setup window having a display area which displays a list of information indicating conditions for a sheet which are assigned to the respective cassettes.
7. An apparatus according to claim 1, wherein the display unit displays a setup window having a display area which displays information indicating a cassette to which a condition for a sheet is assigned.
8. An apparatus according to claim 1, wherein when a condition for a sheet which is selected by the second selection unit is assigned, by the setup unit, to a cassette selected by the first selection unit, the display unit additionally displays a display area for setting a second condition for a sheet with respect to the cassette.
9. An apparatus according to claim 1, further comprising:
a save instruction unit to instruct to save setting contents displayed by the display unit; and
a save unit which saves setting contents displayed by the display unit as setting information when the save instruction unit is instructed.
10. An apparatus according to claim 1, further comprising:
a setup name designation unit to designate a setup name to save setting contents displayed by the display unit; and
a save unit which saves setting contents displayed by the display unit with a setup name designated by the setup name designation unit.
11. An apparatus according to claim 10, which further comprises:
a third selection unit which selects one setup name from a plurality of setup names with which setting contents are saved by the save unit; and
a read instruction unit to read setting contents of a setup name selected by the third selection unit, and
in which the display unit displays information indicating setting contents of a setup name selected by the third selection unit when the read instruction unit is instructed.
12. An apparatus according to claim 1, further comprising a reference value setting unit which sets a reference value for sorting sheets into fit sheets and unfit sheets on the basis of unfit states.
13. An apparatus according to claim 12, wherein the reference value setting unit sets the reference value for each sheet type.
14. An apparatus according to claim 1, which further comprises an authentication unit which authenticates a supervisor, and
in which the setup unit executes setup processing only by operation by a supervisor authenticated by the authentication unit.
15. A sheet processing apparatus which has a plurality of cassettes in which sheets are collected, comprising:
a save unit which saves a plurality of setting contents indicating conditions for sheets assigned to the respective cassettes with a plurality of setup names;
a selection unit which selects one setup name from a plurality of setup names saved in the save unit;
a read unit which reads setting contents of the setup name selected by the selection unit;
an operation setup unit which performs operation setup on the basis of the setting contents read by the read unit;
a pickup unit which picks up a plurality of sheets one by one;
a check unit which checks the sheet picked up by the pickup unit;
a discrimination unit which discriminates a cassette, in which the sheet is to be collected, on the basis of a check result obtained by the check unit and a condition for a sheet which is assigned to each cassette set up by the setup unit; and
a control unit which collects sheets in each cassette on the basis of a discrimination result obtained by the discrimination unit.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image forming method comprising:
forming an electrostatic image on an image bearing member;
developing the electrostatic image with a developer including a toner to form a toner image on the image bearing member;
transferring the toner image onto a receiving material optionally via an intermediate transfer medium;
fixing the toner image to the receiving material with a fixing member; and
applying an oil to the fixing member,
wherein the toner includes a binder resin, a colorant, and an amide wax, and satisfies either a relationship (A) or a relationship (B), which relationships are defined as
OSP=(A2A1)\xd7100<200,\u2003\u2003(A)
wherein OSP represents an oil spreading property of the toner, A1 represents an area of the oil dropped on a first pellet of the toner measured 30 seconds after dropping the oil, and A2 represents an area of the dropped oil measured 24 hours after dropping the oil,
wherein the OSP is determined by a method including
pressing about 2 g of the toner at a pressure of 100 kgcm2 to form the first pellet of the toner having a cylindrical form with a diameter of about 40 mm and a thickness of about 2 mm,
heating the first pellet for 5 minutes on a hot plate heated to 180\xb0 C. under an environmental condition of 23\xb0 C. and 55% RH,
setting the first pellet on a horizontal plane so that a flat surface of the first pellet faces upward to cool the first pellet under the environmental condition,
dropping 9 mg of the oil on the flat surface of the first pellet from a point 1 cm above the flat surface of the first pellet, and
measuring the areas A1 and A2 of the oil dropped on the flat surface of the first pellet 30 seconds after dropping the oil and 24 hours after dropping the oil to determine the OSP, and
(X1\u2212X2)<0.5 atomic percent,\u2003\u2003(B)
wherein X1>1.0 atomic percent, and X2>1.0 atomic percent, wherein X1 and X2 represent amounts of Si atoms, from the oil, which are present on andor in the toner image after fixing the toner image, X1 and X2 being measured by subjecting the toner image fixed on the receiving material to X-ray photoelectron spectroscopy at times 5 minutes and 24 hours, respectively, after fixing the toner image,
wherein the amide wax includes an amount of nitrogen atoms between 0.5 to 3.0 atomic percent of all atoms detected, and
wherein determining the amount of nitrogen atoms in the amide wax includes
pressing about 30 mg of the toner for 1 minute at a pressure of 100 kgcm2 to form a second pellet of the toner having a cylindrical form with a diameter of about 5 mm,
heating the second pellet for 5 minutes on a hot plate heated to 180\xb0 C. under the environmental condition of 23\xb0 C. and 55% RH,
cooling the second pellet, and
subjecting a flat surface of the second pellet to X-ray photoelectron spectroscopy to determine the amount of nitrogen atoms in the amide wax in the second pellet of the toner.
2. The image forming method according to claim 1, wherein the toner includes an amount of the amide wax between 1.5 to 9.0 parts by weight per 100 parts by weight of the binder resin.
3. The image forming method according to claim 1, wherein the toner includes an amount of the amide wax between 0.5 to 5.0 parts by weight per 100 parts by weight of the binder resin.
4. The image forming method according to claim 3, wherein the amide wax has a melting point between 70 to 165\xb0 C.
5. The image forming method according to claim 1, wherein the oil applied to the fixing member includes a silicone oil.
6. The image forming method according to claim 5, wherein the oil applied to the fixing member includes an amino-modified silicone oil.
7. The image forming method according to claim 1, wherein an amount of the oil applied to the fixing member is between 0.1 to 10 \u03bcgcm2.
8. The image forming method according to claim 1, wherein the binder resin of the toner includes a polyester resin having a glass transition temperature between 55 to 70\xb0 C. and a softening point between 115 to 150\xb0 C.
9. The image forming method according to claim 1, wherein the receiving material is a paper including an amount of calcium carbonate no greater than 0.6, and
wherein the amount of calcium carbonate is determined by a FTIR-ATR method and is defined by the following equation
Amount of CaCO3=H(peak 1421 cm\u22121)H(peak 1036 cm\u22121)
wherein H(peak 1421 cm\u22121)represents a height of a peak which is specific to calcium carbonate and which is observed at 1421 cm\u22121, and H(peak 1036 cm\u22121) represents a height of a peak which is specific to cellulose included in the paper and which is observed at 1036 cm\u22121.
10. The image forming method according to claim 1, wherein the toner satisfies relationship (A).
11. The image forming method according to claim 1, wherein the toner satisfies relationship (B).