Checking The Fusing Nip - Ricoh MP 7503SP Field Service Manual

4. Replacement and Adjustment
• The fusing lamps are fragile. Work carefully to avoid breaking them.
• During assembly, handle the roller carefully to avoid scratching it on the bracket.
• Make sure the tabs and grooves of the lower cover are engaged correctly before tightening
the screw.

Checking the Fusing Nip

There are two ways to check the width of the nip between the pressure roller and hot roller.
Method 1
1. Open SP1109-001, set it to "1".
2. Click the button in the upper right corner of the screen to switch from the SP Screen to the Copy
Screen.
3. Make a copy. The sheet of paper will stop in the nip of the pressure roller and hot roller for the
prescribed time, and then exit.
4. Measure the width of the nip.
Method 1
1. Open SP1109-01 and set it to "1".
2. Open SP2902 and select the Black Band Test Pattern.
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