The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2024
Filed:
Feb. 16, 2023
Satoshi Iwanami, Kanagawa, JP;
Satoshi Iwanami, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes a recording head and processing circuitry. The recording head includes a plurality of nozzles. The processing circuitry prints a reference adjustment pattern on a recording medium using a reference nozzle, which is one of the nozzles. When the recording medium is conveyed from the reference nozzle in a sub-scanning direction by a predetermined conveyance amount, the processing circuitry prints an adjustment pattern on the recording medium using a designated nozzle, which is apart by a predetermined distance with respect to a nozzle apart from the reference nozzle in the sub scanning direction by the predetermined conveyance amount. The processing circuitry detects the reference adjustment pattern and the adjustment pattern, computes a distance between the reference adjustment pattern and the adjustment pattern in the sub-scanning direction, and determines whether a standard deviation of the distance computed is equal to or larger than a predetermined value.