Canon imageRUNNER 2520 Series Service Manual

Also see for imageRUNNER 2520 Series: Service manual

4-274Bit Function 1 05 not used - -6 not used - -7 not used - -Detailed Discussions of Bit 0Select whether to enable or disable transfer bias pressure reduction mode.Select "Enable" to avoid image defects (black spots) produced by transfer bias leaksoccurring in a low-pressure region, such as one at a high altitude. This setting regulates thetransfer bias to keep it from exceeding a predetermined level during printing.Detailed Discussions of Bit 2Select whether to enable or disable black belt addition mode. If the user uses paper that causesfixed toner on paper to be fused and adhered to drum, selecting "Yes" will clean the drum byforming a black band on the drum surface during the reverse rotation which is performed afterprinting on 50 sheets.CAUTION:Implementation of this mode could result in a drum life falling short of its lifeexpectancy.Detailed Discussions of Bit 3Select whether to enable or disable post-rotation reduction mode. Selecting "Enable" willreduce the noise caused by the polygon motor by stopping the motor immediately after post-rotation.Discussions of Bit 4Select whether to enable or disable flicker reduction mode. Select "Enable" and enter a countto modify fusing temperature control to cancel fluorescent flicking during printing.CAUTION:Implementation of this mode would degrade the throughput.T-4-37T-4-37SSSW-SW18List of FunctionsBit Function 1 00 not used - -1 not used - -2 Thin postcard mode Enable Disable3 not used - -4 not used - -5 not used - -6 not used - -7 not used - -Detailed Discussions of Bit 2When the postcard size is selected, "Thin postcard" can be selected in addition to "Postcard","Return postcard", and "4 on 1card". Selecting "Enable" allows you to specify "Thin postcard".List of Functions<034: Left-end registration adjustment (manual feed tray)>Adjust the left-end registration margin of paper picked from a manual feed tray. The larger theadjustment value, the wider the left-end margin of the image becomes.<035: Left-end registration adjustment (cassette 1)>Adjust the left-end registration margin of paper picked from cassette 1. The larger theadjustment value, the wider the left-end margin of the image becomes.<036: Left-end registration adjustment (cassette 2)>Adjust the left-end registration margin of paper picked from cassette 2. The larger theadjustment value, the wider the left-end margin of the image becomes.<037: Left-end registration adjustment (cassette 3)>Adjust the left-end registration margin of paper picked from cassette 3. The larger theadjustment value, the wider the left-end margin of the image becomes.<038: Left-end registration adjustment (cassette 4)>Adjust the left-end registration margin of paper picked from cassette 4. The larger theadjustment value, the wider the left-end margin of the image becomes.T-4-38T-4-38All manuals and user guides at all-guides.com