Inventor

FOLKINS JEFFREY J

US155 patents

⚠️ This page may combine multiple inventors who share the name “FOLKINS JEFFREY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FOLKINS JEFFREY J

XEROX CORP

Wide area beam sensor method and apparatus for image registration calibration in a color printer

Multiple use of a sensor in a printing machine

Electrode wire cleaning

Extended life development system

Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member

System and method for compensating for weak, intermittent, or missing inkjets in a printhead assembly

Printhead registration correction system and method for use with direct marking continuous web printers

Double reflex printing

Ink jet printer having print head with partial nozzle redundancy

Systems and methods for print head defect detection and print head maintenance

Enhanced printer reliability using extra print module

Printer jet detection method and apparatus

Image to paper registration utilizing differential transfer

Integrated multi-toner dispensing system

Method and apparatus to improve registration in a black first printing machine

Apparatus for image registration

Mark detection circuit for an electrographic printing machine

Development unit having an asymmetrically biased electrode wires

Triboelectric charge measurement

Method of printing secure documents

Fused image sensing

Method and apparatus for monitoring and controlling a toner image formation process

Donor roll for scavengeless development in a xerographic apparatus

Method and apparatus for minimizing the voltage difference between a developed electrostatic image area and a latent electrostaic non-developed image

Machine with removable unit having two element electrical connection

Development system having tensioned electrode wires

Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll

Split recharge method and apparatus for color image formation

Developing device with dual donor rollers including electrically biased electrodes for each donor roller

Ink and media treatment to affect ink spread on media treated with primer in an inkjet printer

Contaminant control for scavengeless development in a xerographic apparatus

Non-contact heating of solid ink prints after ink fixing

System and method for operating a three-dimensional printer to compensate for radial velocity variations

Ink and media treatment to affect ink spread on media in an inkjet printer

System and method for controlling material drop volume in three dimensional object printing

System for adjusting operation of a printer during three-dimensional object printing using an optical sensor

System and method for ink drop acceleration with time varying electrostatic fields

System and method for process direction registration between multiple inkjets in an inkjet printer

System and method for spatial dependent correction for images printed with multiple drop parameters

Apparatus for media preheating in an ink jet printer

Asymmetric IDZ precession in a multi-pass direct marking system

Ink jet printer having multiple transfixing modes

Set-up and diagnosis of printing device electrophotographic cleaning station using potential measurement

Hybrid scavengeless development using an apparatus and a method for preventing wire contamination

Reproduction machine including and acoustic scavengeless assist development apparatus

EUN YONGSOON

System and method for compensating runout errors in a moving web printing system

Method and system to compensate for process direction misalignment of printheads in a continuous web inkjet printer

MIZES HOWARD A

Method and system for aligning printheads that eject clear ink in an inkjet printer

Method and system for printhead alignment to compensate for dimensional changes in a media web in an inkjet printer

FOLKINS JEFFREY J

System and method for compensating for small ink drop size in an indirect printing system