C1 line

[Dexor]

Replaced corona units thinking this was the problem, but - see attached file, test chart.
The lighter area travels with the direction of moving paper, the .jpg is part of ledger size 11x17 test chart. It does it on all (lighter) colors, but not on good solids, as seen in black.
C1 test.jpg

[teckat]

Replaced corona units thinking this was the problem, but - see attached file, test chart.
The lighter area travels with the direction of moving paper, the .jpg is part of ledger size 11x17 test chart. It does it on all (lighter) colors, but not on good solids, as seen in black.
[ATTACH=CONFIG]7564[/ATTACH]

the faint light area is there, i enlarged it,
if light area does not move >
Check and clean dust proof glass. When cleaning with alcohol, make sure it does not leave a haze on the glass when dry. To remedy a haze, clean with water and use a lint free cloth
PG.JPG

Also run single COLOR PG5 Test prints to check surface of developer units

Selecting the Test Print TYPE
1) Set number of prints and paper size.
2) Select the followings in service mode:
COPIER > TEST > PG
3) Make the following selections:
COPIER > TEST > PG > TYPE
4) Enter TYPE number by the numeric keypad, and then press OK key.
5) Select the color in question (output by '1') in COLOR-Y/M/C/K.
6) Set density in DENS-Y/M/C/K (effective only for TYPE=5).
7) Press start key

TYPE NO. description
0-normal copy/print
1-3 - (for R&D)
4- 16-gradation
5-full area half tone
6- grid
7-9 - (for R&D)
10- MCYBk horizontal stripes (sub scanning direction)
11 - (for R&D)
12- 64-gradation
13 - (for R&D)
14- full color 16-gradation
15-100 - (for R&D

[Dexor]

thanks, I did clean the slit glass - dust proof glass - (narrow, long piece of clear glass above the drum unit?), I failed to mention it.
Also, the darkest solids do not have the problem, I'm holding the original test that came out in my hand - it somewhat appears on the 3rd darkest band, but last two darkest - no line.
Is this something with transfer unit?

[teckat]

thanks, I did clean the slit glass - dust proof glass - (narrow, long piece of clear glass above the drum unit?), I failed to mention it.
Also, the darkest solids do not have the problem, I'm holding the original test that came out in my hand - it somewhat appears on the 3rd darkest band, but last two darkest - no line.
Is this something with transfer unit?

Remember dark solids will not show a faint light area/ did u print out the PG5 single color test prints for each color ?

this test will show if there is a build up of toner on magnetic cylinder/ which will not transfer & cause a light area