Gloss Memory - Konica Minolta AccurioPress C2070 Troubleshooting Manual

1.3.19. Gloss memory

(1) Symptom
The gloss is partly different. It corresponds with the image pattern. (Gloss is higher where
the toner was at the previous cycle).
(2) Cause
Due to the effect of the wax component which was transferred to the fusing upper belt, the
difference of the gloss corresponding to the image appears at fusing upper belt cycle (approx
311mm ) (Gloss memory).
Wax component
attaches to the
fusing upper belt.
(3) Solution
1. Change fusing temperature by every 5ºC and see the result.
[Paper Setting]→[Change Set]→[Expert Adj.]→
• [Upper Fusing Roller Temperature]
Note
When the expert adjustment is not indicated, change the DIPSW1-0 (To show expert
adjustment in the Paper Setting) from "0" to "1" (Show)
2. If the step 1 does not improve enough, change the temperature by5 ºC within the range ±20
ºC to seek the temperature symptom is the least visible.
Note
• When the temperature is decreased too much, fusing under offset may occur.
• When the temperature is increased too much, large paper curl may occur depending on the
paper type and ambient environment.
Temperature] or use the curl correction of the main body/RU.
[Paper Setting]→[Change Set]→[Expert Adj.]→[Lower Fusing Roller Temperature]
Main body [Paper Setting]→[Change Set]→[Process Adj]→[Curl Adjustment]
RU [Curl Adjustment]
Tips
• Low temperature
Regardless of the previous image, the gloss level is entirely low and the gloss memory is
not easily see.
• High temperature
The wax amount difference at gloss history is big but entire gloss level is high and the gloss
memory is not easily seen.
• Middle temperature
Depending on the wax amount difference in the gloss history, the gloss memory is easily
find.
Table of contents
KONICA MINOLTA Confidential
ABCDEFGHIJKL
ABCDEFGHIJKL
In this case, increase [Lower Fusing Roller
- 95 -
ABCDEFGHIJKL
ABCDEFGHIJKL
311mm cycle
ABCDEFGHIJ
Repeated gloss mark
ABCDEFGHIJ
(text/image)