Ricoh pro c901 - RTB 103 a: Troubleshooting “Shadow Effect”

Technical Bulletin PAGE: 1/2
Reissued:08-Jan-14
Model: Aries-P1.5/C1.5
Date: 25-Dec-13
No.: RM077103a
RTB Reissue
The items in bold italics were corrected or added.
This bulletin is targeted only to Aries-P1.5/C1.5.
DO NOT apply the following workaround to AG-P1/C1, AGL-P1/C1.
General
This bulletin provides information on how to work around the image quality issue known as
“shadow effect”, which is an expected result of the current machine specifications.
However, to meet high customer demand, we request the field to carry out the workaround
described in this bulletin as necessary.
Symptom
If a solid image is printed over a halftone background image and the images are of the
same color, the leading edge of the solid image appears darker, generating a “shadow”
effect. The symptom is more likely to occur in Black.
Tailing edge
Leading edge
Shadow effect
Solid image
(image/text)
Background in
halftone and solid
image are of the
same color.
Subject: Troubleshooting “Shadow Effect”
Prepared by: T. Miyamoto
From: 1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Product Safety
Other ( )
Tier 2