Service manual

7020
URL http://www.adobe.com/products/acrobat/readstep2.html]]
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DF314, displays A4 and B2 size.DESCRIPTION: SOLUTION ID:
158621
SOLUTION:
CAUSE: Size detect board assembly damaged.
SOLUTION: Replace Size Detect Board Assembly (p/n 13FG-9330).
USAGE:
2
E56-01 shortly after power up.DESCRIPTION: SOLUTION ID:
159098
SOLUTION:
CAUSE: Insufficient drum ground or short of high voltage caused by drum wear.
SOLUTION: Replace the drum (Item #950253) and clean the drum shaft (p/n 26NA-2140).
SPECIAL NOTE: Solution provided by Jon Carlisle, A2Z Business Systems.
USAGE:
2
Paper feed jamming (J11, J12, J13, J14, or J16).DESCRIPTION: SOLUTION ID:
160113
SOLUTION:
CAUSE: The double feed preventative roller has failed.
SOLUTION: Install the new style DFPR (p/n SE95-3900).
Notes:
1. See [[7020/7022/7025/7030/7035/7130/7135 Technical Bulletin #16| URL
http://techweb.konicabt.com/tpm/media/7020tb16.pdf]] for details.
2. To view the PDF, Acrobat* Reader must be installed. Acrobat Reader can be downloaded for
free from the Adobe* Web site at: [[http://www.adobe.com/products/acrobat/readstep2.html| URL
http://www.adobe.com/products/acrobat/readstep2.html]]
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USAGE:
2
DB410, J16 and noise when feeding.DESCRIPTION: SOLUTION ID:
160922
SOLUTION:
CAUSE: Disengagement of the paper conveyance roller drive gear (p/n 13HA77060) and idler gear
(p/n 13HA77050) during paper feed operation.
SOLUTION: There is a modification available (see [[DB410 Technical Bulletin #1| URL
http://techweb.konicabt.com/tpm/media/db410tb01.pdf]]) for the DB410 drive unit that provides
support for the idler shaft to prevent the idler shaft from flexing during feed operation.
Notes
1. These parts were installed on the DB410 during production beginning with serial number
13NF15878.
2. To view the PDF, Acrobat* Reader must be installed. Acrobat Reader can be downloaded for
free from the Adobe* Web site at: [[http://www.adobe.com/products/acrobat/readstep2.html| URL
http://www.adobe.com/products/acrobat/readstep2.html]]
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USAGE:
2
DB209, double feed prevention roller and drive shaft change.DESCRIPTION: SOLUTION ID:
162291
SOLUTION:
CAUSE: The double feed prevention roller and drive shaft have been changed to provide parts
commonality with other models.
SOLUTION: See [[DB209/409, DB210/410 Technical Bulletin #2| URL
http://techweb.konicabt.com/tpm/media/DB209tb02.pdf]] for details.
Note: To view the PDF, Acrobat* Reader must be installed. Acrobat Reader can be downloaded
for free from the Adobe* Web site at: [[http://www.adobe.com/products/acrobat/readstep2.html|
URL http://www.adobe.com/products/acrobat/readstep2.html]]
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USAGE:
2
Image is shrunk or appears to jitter on the first 30% from lead edge also black lines from
front to rear on copies and prints.
DESCRIPTION: SOLUTION ID:
163359
SOLUTION:
CAUSE: Check drum drive coupler for cracks where the shaft pin meets the coupler.
SOLUTION: Replace the drum unit (Item #950253).
Note: If a replacement drum unit is not readily available, the drum drive coupler can be temporarily
repaired with epoxy.
USAGE:
2
80
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005