Fuser Nip Measurement (Dc701 Ui Diagnostics) - Xerox DocuColor 12/DCCS50 Service Manual

Table 1 Test Patterns (UI Diagnostic Mode)
PG NO ASIC name Pattern name
26 HALFTONE Half-tone, 150C
27 HALFTONE 16 gray-scale SS,
150C
28 HALFTONE ProCon, 150C
29 HALFTONE TED/STV, 150C
30 HALFTONE Wedge SS, 150C
Reissue
DocuColor 12/DCCS50
Description Remarks
Any density pattern IOT (Image output)
Paper size: A3S or
17"S
16 GRAY-SCALES IN IOT (Image output)
THE SS DIRECTION
Paper size: A3S
ProCon patch pat- IOT (Image output)
tern/16.3 X 19.3mm
patch
Paper size: A3S
TED/STV IOT (Image output)
Paper size: A4L
SS direction pattern/1 IOT (Image output)
gray-scale width:
12dots
Paper size: A3S

Fuser Nip Measurement (dC701 UI Diagnostics)

Purpose
Creates a special copy and measures the Fuser Nip pressure.
NOTE:
• The External Heat Roll is not latched while this function is running.
• Measurement must be done after the P/R is warm. If the P/R is not warm, copy 40 or 50
pages first.
NOTE: Functional comparison between the UI Diagnostics and the PWS Diagnostics:
UI Diag.:
1. Measurement copy is limited only to 1 page.
2. dC701 Jam: Close first and re-run the function.
NOTE: Paper used varies depending on the market.
• XE: A4L
• NASG: Letter, 8.5x11 LEF
Procedure
1. Enter the UI Diagnostics Mode. Refer to
2. Select Subsystem Check in the "Diagnostics Setup Screen."
3. Select Fuser Nip Measurement in the "Subsystem Screen."
4. Select the following instructions on the screen:
a. Set the A4L (8.5 X 11 LEF) in the Tray 5 and select Start.
b. Set the measurement copy in the Tray 5 and select Start.
5. Measure the In/Out Nip Width on the "measurement copy." (Use the scale.)
a. Normal value
i. In: 10.3 ±0.3mm
Out: 10.3 ±0.3mm
ii.
6. If the measurement value differs, adjust the value. See
Pressure. Repeat Steps 4-5.
7. If the correct value is obtained, select Close and return to the "Diagnostics Setup Screen."
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Print (dC612 Test Pattern UI Diagnostics), Fuser
6-137
How to Enter/Exit the UI (IOT) Diagnostics.
ADJ 8.1.1 Adjusting the Fuser Nip
General Procedures