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pety
07-05-2020, 08:47 AM
Konica Minolta c280 gave a d1 error and after that,it prints split horizontal lines and copy's with vertical lines at equal distances across the document.I would appreciated if I could be helped with a solution to this error thanks.please I attached a copy of the documents.

tsbservice
07-05-2020, 10:26 AM
Looks liks PH unit(Laser) failure.

blackcat4866
07-05-2020, 03:18 PM
Looks liks PH unit(Laser) failure.

Maybe a dusty polygon mirror? =^..^=

tsbservice
07-05-2020, 04:11 PM
Maybe a dusty polygon mirror? =^..^=

Blackcat honestly I dunno. Dusty poly usually appears as uneven(low) density.
Cleaning PH unit may be a variant.

pety
07-05-2020, 10:51 PM
Maybe a dusty polygon mirror? =^..^=

I did add a code error, it gave a d1 error.
Consulted the manual and followed the procedure to clean set the ADF and still the problem persist.would be checking the polygon mirrow by tomorrow as suggested by some great individuals from the group. Thanks I do appreciate.

pety
07-05-2020, 10:55 PM
Blackcat honestly I dunno. Dusty poly usually appears as uneven(low) density.
Cleaning PH unit may be a variant.

OK thanks would try that and give a feedback

fatduke
07-06-2020, 08:05 AM
Hi,

maybe a DEVELOPER BLACK UNIT failure, did you check it's status?

Tried on other colours? I'm talking 'bout sample page.

Drum status?

Cheers

Blizzoo
07-06-2020, 11:41 AM
Aren't those lines the 'Security patterns' that occurs after improper machine setup/NVRAM issues? This is what I can remember seeing that but I might be wrong... been a while since I worked on KM

rrrohan
07-06-2020, 11:58 AM
almost look like lines of shame due to bad run up

blackcat4866
07-06-2020, 12:14 PM
Aren't those lines the 'Security patterns' that occurs after improper machine setup/NVRAM issues? This is what I can remember seeing that but I might be wrong... been a while since I worked on KM

The lines of shame are usually cyan or magenta, AFAIK never black. =^..^=

rrrohan
07-06-2020, 01:50 PM
if im reading it correctly and this is only on copy not print and OP can confirm it also scans with these lines its must be a CIS issue surely and nothing to do with Laser Print Head

pety
07-06-2020, 04:30 PM
It occurs on both print and copy.we have been on it all day we have finally decided to change the printer board.
Thanks for your contribution

allan
07-06-2020, 06:53 PM
Bad ram on the MFPB would be my guess.
Seen some guys have luck replacing the ram chips.

srvctec
07-08-2020, 03:10 PM
Bad ram on the MFPB would be my guess.
Seen some guys have luck replacing the ram chips.

Also my guess. Had some Di250 series back in the day and other random machines over the years do something very similar and it was memory that caused it.

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