6-8 Phaser 4500/4510 Service Manual
Adjustments and Calibrations
Adjusting Duplex Registration (Margins)
1. Enter Service Diagnostics.
2. Select Engine NVRAM Adjustments, then press the OK button.
3. Select either the duplex process adjustment (Duplex Proc Dir) or scan 
adjustment (Duplex Scan Dir), then press the OK button.
4. Use the Up Arrow and Down Arrow buttons to set the new value. Each 
increment of change equals 0.5 mm. (The default value is 8.)
5. Press the OK button to save the setting.
6. Press the Back button.
7. Select Engine Test Print, then press the OK button.
8. Select Print Test Pattern, then press the OK button to print the Engine 
Test Pattern.
9. Check the following measurements on two consecutive test patterns.  
10. Repeat steps 1 through 9 until correct measurements are achieved.
11. Perform the Registration (Side-To-Side) test on page 5-9 and the 
Registration (Lead Edge-to-Trail Edge) test on page 5-10. Repeat this 
adjustment procedure if the results are incorrect.
Adjusting Fuser Temperature
The following fuser temperature tables list the temperature settings available 
for each paper type supported by the printer. The default fuser temperature 
setting for each paper type is listed in the following Fuser Configuration 
Defaults table.    
Distance Measurement
From the lead edge of the paper to the first horizontal 
line (measurement A in the figure on page 6-4)
4mm ± 2mm
From the left edge of the paper to the edge of the thick 
vertical line (measurement B in the figure on page 6-4)
4mm ± 2.5mm
Phaser 4500 Fuser Temperatures
Temperature Setting Low Medium High Extra High
Temperature Range 185° C
365° F
200 - 205° C
392 - 401° F
210° C
410° F
215° C
419° F
Phaser 4510 Fuser Temperatures
Temperature Setting Extra High Very High High Medium Low Very Low
Temperature Range 187° C
369° F
215° C
419° F
212° C
414° F
205° C
401° F
190° C
374° F
170° C
338° F