Black band on Copy from Aficio 1022

[Snowman]

I have a vintage Ricoh 1022 which has started to put a thick black band across the copy. How do I cure this please?
ricoh.jpg

[40yearsplus]

Run multiple copies and see if the band rotates then measure it against the width of the consumable EX: Drum to see if it matches the mark of diameter.

Also let us know if it is short edge feeding or long edge feeding. If its short then clean coronas, or charge rollers and check drum blade/drum, developer surface, optics.

Look and eliminate things. GL

[Gift]

Probably the cleaning blade starts failing in the center and dirt got onto the charge roller

[TonerMunkeh]

Does the mark show up on a counter page? If so, PCU. If not, optics.

[8T2]

Looks like either the cleaning blade or possibly charge roller to me...assuming this was printed LEF/Portrait. There should be a corresponding band across the centre of the drum if it's the cleaning blade. You can check this easily enough by opening the side door.

It's worth a shot splitting the PCU and cleaning the charge roller and drum cleaning unit because the drum looks like it's still in good shape. Both the cleaning blade and charge roller are available as seperate service parts and you may still be able to find a complete pcu1027 somewhere too if you wanted to take that route

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[mikadonovan]

Since there is setoff, drum blade or fuser roller.

[Vincent128]

Oh I remember those machines!..Wow thats an old sucker.

Clean the PCR roller

[Snowman]

Thank you for all the quick and helpful answers.
1) with multiple copies, the band stayed in the same place and the positions of the variations in density of the black band were largely consistent between copies.
2) it is long edge feeding
3) the mark does show on the counter page
4) there is a corresponding mark around the drum
5) the photoconductor unit was replaced 5 years ago with a new unit type 1027 and has only done about 2000 copies since then so should still be in good condition. Total print copies now about 140,000.
It is an old machine. I bought it second hand about 13 years ago for my business and have been retired for the last 11 years so it gets only minimal use as a copier and PC printer.
I will take your collective advice that it is probably the cleaning blade or charge roller and will try to open it up myself. I found a video on youtube that shows how to do it - Replacing drum charging roller cleaning blade RICOH MP 1600 2000 2352 2510 2550 2851 2852 3010 3350 - YouTube

[Phil B.]

Thank you for all the quick and helpful answers.
1) with multiple copies, the band stayed in the same place and the positions of the variations in density of the black band were largely consistent between copies.
2) it is long edge feeding
3) the mark does show on the counter page
4) there is a corresponding mark around the drum
5) the photoconductor unit was replaced 5 years ago with a new unit type 1027 and has only done about 2000 copies since then so should still be in good condition. Total print copies now about 140,000.
It is an old machine. I bought it second hand about 13 years ago for my business and have been retired for the last 11 years so it gets only minimal use as a copier and PC printer.
I will take your collective advice that it is probably the cleaning blade or charge roller and will try to open it up myself. I found a video on youtube that shows how to do it - Replacing drum charging roller cleaning blade RICOH MP 1600 2000 2352 2510 2550 2851 2852 3010 3350 - YouTube

5 years on the same photoconducter ?

pull the PCDU apart .. get some Nu Finish car polish (liquid type) coat the PCR and buff off when dry.. repeat process 2-3 times until PCR is clean re-install .. test

[mikadonovan]

the photoconductor unit was replaced 5 years ago with a new unit type 1027 and has only done about 2000 copies since then so should still be in good condition

You would think that, but in reality it doesn't always work that way. I have had these pcu's fail within a few hundred prints, and the blade and developer degrade with age, no matter the count.