Sheet stacker, sheet laminator, image forming apparatus, and image forming system

A sheet stacker for use in a device, the sheet stacker comprising:

• a stacker portion including a stacker face that is inclined at an angle with respect to a horizontal plane,
• the stacker portion configured to receive a plurality of sheets ejected from above and stack the plurality of sheets on the stacker face;
• a fence including an angled face contacting an end of the plurality of sheets stacked on the stacker face, the angled face rising in a direction in which the plurality of sheets is stacked, with respect to a lower side of the stacker face;
• and
• a guide face configured to guide a sheet from among the plurality of sheets that is conveyed along the lower side of the stacker face toward an outlet port to a position of a lower end of the outlet port, the outlet port opening at an exterior of the device through which the sheet is removable to an outside of the device,
• wherein the lower side of the stacker face extends in a horizontal direction at a position lower than the lower end of the outlet port, and
• wherein the guide face is a sloped face that is connected to the lower side of the stacker face at an end proximate to the outlet port and is inclined upward toward the lower end of the outlet port.