Image forming apparatus

Details Image forming apparatus Image forming apparatus

1994-12-27

1996-12-03

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355246, 355326R, 355327, G03G 2100

Patent

active

055813275

ABSTRACT:
This invention relates to an image forming apparatus having a plurality of image bearing members including a first image bearing member and a second image bearing member, a transferring material bearing member for bearing the transferring material to respective transfer positions of the plurality of image bearing members, detecting a detecting device for detecting the density of a toner patch formed on the second image bearing member after the toner patch has passed the transfer position of the second image bearing member. The orientation of the image bearing members are such that the time from when the first image bearing member and the transferring material bearing member are detached from each other to when the toner patch reaches the transfer position of the second image bearing member is larger than L/V (sec) where L (mm) is the distance between the first image bearing member and the second image bearing member in a direction of movement of the transferring material bearing member and V (mm/sec) is the speed of the transferring material bearing member.

REFERENCES:
patent: 5294959 (1994-03-01), Nagao et al.
patent: 5307119 (1994-04-01), Folkins et al.
patent: 5376956 (1994-12-01), Nagao et al.

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