Laser Exposure System - Canon MF720 Series Service Manual

Laser Exposure System

■ After Replacing the Laser Scanner Unit
1. Register values indicated on the label packaged with the Laser Scanner Unit in the following service mode items.
• COPIER > ADJUST > SCNR > SUB-S-Y0 (Laser output correction value, vertical scanning irradiation position0 Y)
• COPIER > ADJUST > SCNR > SUB-S-M0 (Laser output correction value, vertical scanning irradiation position0 M)
• COPIER > ADJUST > SCNR > SUB-S-C0 (Laser output correction value, vertical scanning irradiation position0 C)
• COPIER > ADJUST > SCNR > SUB-S-K0 (Laser output correction value, vertical scanning irradiation position0 K)
• COPIER > ADJUST > SCNR > SUB-S-Y1 (Laser output correction value, vertical scanning irradiation position1 Y)
• COPIER > ADJUST > SCNR > SUB-S-M1 (Laser output correction value, vertical scanning irradiation position1 M)
• COPIER > ADJUST > SCNR > SUB-S-C1 (Laser output correction value, vertical scanning irradiation position1 C)
• COPIER > ADJUST > SCNR > SUB-S-K1 (Laser output correction value, vertical scanning irradiation position1 K)
• COPIER > ADJUST > SCNR > SUB-S-Y2 (Laser output correction value, vertical scanning irradiation position2 Y)
• COPIER > ADJUST > SCNR > SUB-S-M2 (Laser output correction value, vertical scanning irradiation position2 M)
• COPIER > ADJUST > SCNR > SUB-S-C2 (Laser output correction value, vertical scanning irradiation position2 C)
• COPIER > ADJUST > SCNR > SUB-S-K2 (Laser output correction value, vertical scanning irradiation position2 K)
• COPIER > ADJUST > SCNR > MAI-S-Y0 (Laser output correction value, horizontal scanning irradiation position0 Y)
• COPIER > ADJUST > SCNR > MAI-S-M0 (Laser output correction value, horizontal scanning irradiation position0 M)
• COPIER > ADJUST > SCNR > MAI-S-C0 (Laser output correction value, horizontal scanning irradiation position0 C)
• COPIER > ADJUST > SCNR > MAI-S-K0 (Laser output correction value, horizontal scanning irradiation position0 K)
• COPIER > ADJUST > SCNR > MAI-S-Y1 (Laser output correction value, horizontal scanning irradiation position1 Y)
• COPIER > ADJUST > SCNR > MAI-S-M1 (Laser output correction value, horizontal scanning irradiation position1 M)
• COPIER > ADJUST > SCNR > MAI-S-C1 (Laser output correction value, horizontal scanning irradiation position1 C)
• COPIER > ADJUST > SCNR > MAI-S-K1 (Laser output correction value, horizontal scanning irradiation position1 K)
• COPIER > ADJUST > SCNR > MAI-S-Y2 (Laser output correction value, horizontal scanning irradiation position2 Y)
• COPIER > ADJUST > SCNR > MAI-S-M2 (Laser output correction value, horizontal scanning irradiation position2 M)
• COPIER > ADJUST > SCNR > MAI-S-C2 (Laser output correction value, horizontal scanning irradiation position2 C)
• COPIER > ADJUST > SCNR > MAI-S-K2 (Laser output correction value, horizontal scanning irradiation position2 K)
2. After values are registered, affix the label [1] packaged with the unit on the inside [2] of the right cover.
[1]
[2]
239
5. Adjustment