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7. If a postprocessing device is being used, it may be prematurely pulling the
8. When running tractorless paper, the lower pressure roller may not be engaged.
D720 Verification mark position incorrect
About this task
Symptom: The printer could not read the verification marks at the expected
location. Side verify marks are small toner marks printed on the leading edge of
the form; the marks are used for front-to-back data synchronization. This error
most often occurs when dust blocks the sensor. This error was detected by the
Toner Mark/Side Verify sensor (Figure 97 on page 267), which is located at the
back side of the splicing table in the forms input area.
Possible causes and suggested recovery actions:
Procedure
1. The forms may be misaligned. Check the forms alignment on both printers. The
2. The UFC sensor or toner mark/side verify sensor may be dirty. Check it for
3. The rear paper-edge guide may not be adjusted correctly for the size form you
4. The UFC sensor may not be positioned correctly over the mark. See "Adjusting
5. Examine your forms. Preprinted marks within the carrier strip as well as some
6. Verify the print quality of the verification marks. Check for light or smeared
0134 Fuser wrap
About this task
Symptom: The forms are wrapped around the backup roll or there is a forms jam
in the hot roll area on Printer 2.
Possible causes and suggested recovery actions:
226
Operating the InfoPrint 4100
paper out of the fusing area. Check the postprocessor to ensure that it is not
causing too much resistance or drag on the forms.
Related information:
"Clearing forms jams" on page 230
provides more specific instructions on clearing forms jams.
"Suggestions for preventing jams" on page 245
provides additional suggestions about preventing forms jams.
perforation must be aligned correctly. See "Checking forms alignment" on page
188.
paper dust or toner buildup and clean it if necessary (see "Cleaning the forms
input area" on page 264).
See "Adjusting the rear paper-edge guide and Dual Toner Mark/Side Verify
Sensor" on page 146.
are using.
the Universal Forms Control (UFC) sensor" on page 199.
colored forms can cause this error. If you are using any of these forms, disable
verification checking. See "Verifying synchronized duplex printing for tractored
forms" on page 195.
print.
Related information:
Forms Design Reference provides more information about specifying clear
zones for verification marks.
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