Ricoh SP C440dn, Field Service Manual, Page: 308 / 654

2-308-002 Threshold 2 *ENG [0 to 250 / 165 / 1 mm/step]
Threshold 2 ≤ paper ≤ Threshold 1:
Paper is detected as "S2" size.
2-308-003 Threshold 3 *ENG [0 to 250 / 139 / 1 mm/step]
Threshold 3 ≤ paper ≤ Threshold 2:
Paper is detected as "S3" size.
2311 [NoImage Area:Bias] DFU
2-311-001 Image Transfer *ENG Adjusts the bias of the image transfer belt
between images. This value is added to the
value of the image transfer belt bias.
[10 to 250 / 100 / 5 %/step]
2-311-002 Paper Transfer *ENG Adjusts the bias of the paper transfer roller
between images.
[0 to 230 / 0 / 1 - A/step]
2316 [Power ON:Bias] DFU
2-316-001 Image Transfer *ENG [0 to 80 / 5 / 1 A /step]
Adjusts the bias of the image transfer roller at power-on or a closed cover.
2326 [PTR CL:Bias] DFU
Paper Transfer Roller Cleaning: Bias Adjustment
2-326-001 Positive:before and after
JOB
*ENG [0 to 2100 / 1000 / 10 V /step]
Adjusts the positive voltage of the paper transfer roller for cleaning the paper transfer
roller.
2-326-002 Negative:before and after
JOB
*ENG [10 to 995 / 100 / 10 %/step]
Adjusts the negative current of the paper transfer roller for cleaning the paper transfer
roller.
5. System Maintenance Reference
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