Troubleshooting
Troubleshooting
255
• Paper is not smoothly fed
from the Paper Feed Tray.
(skipped paper, or multiple-
sheet feeding)
• There is a lot of paper
powder
• Multiple sheets of paper
were fed
• Construction paper or
postcard was skipped
• The back side of the
postcard is turned up
Paper handling pressure is not
correctly adjusted.
•
For paper that easily creates paper
powder, skips, or for the back side of
postcards that is turn up:
Turn the dial to the left.
•
If paper is being multi-fed:
Turn the dial to the right.
Important!:
• Before making the adjustment, be sure
to remove all paper from the Paper
Feed Tray and confirm that the tray has
lowered to the bottom.
The Paper Feed Adjustment on the
Functions screen is not properly set.
Adjust the “Paper Feed Adj.”. Contact your
dealer (or authorized service
representative) for details on making the
adjustment.
An error message displays
even though there is no paper
jam.
Is the lifted paper getting ejected at
the second rotation of the Print
Cylinder (Drum)?
Check the printed copy, and if the top
margin is less than
3
/
16
" (5mm), slightly
lower Print Position.
Is sunlight directly hitting the
machine?
The sensor is affected by direct sunlight.
Install shades or curtains, or move the
machine out of direct sunlight.
When printing a multiple page
computer file, the machine
repeats the master-making
process one page at a time.
Is “Print in Units” option selected in
the Printer Driver?
Delete the current print job. Deselect “Print
in Units”, and resend the data to the
machine.
See
The computer sent the file, but
it was not received by the
machine.
Is the Admin. screen currently
showing on the display?
Touch
and switch to the Basic Screen
from the Admin. screen.
Problem
Possible Cause
Action
: Normal
: Strong
: Medium
: Weak
Summary of Contents for MZ790U
Page 29: ...Getting Acquainted Display 29 ...
Page 111: ...Functions for Master Making Checking the Print Image Prior to Making Master Preview 111 ...
Page 177: ...Advanced Features Registering a Custom Paper Size Custom Paper Entry 177 ...
Page 213: ...When using a Linked Printer sold separately Duplex Printing Duplex 213 ...
Page 227: ...Replacing Consumables Disposal of Depleted Consumables 227 ...
Page 261: ...Appendix Specifications 261 ...
Page 266: ...Index 266 024 36005 000 ...