Ricoh MP C6502SP Field Service Manual page 1423

2-109-003
(Test pattern no.)
2-109-006
(Bk output density)
2-109-007
SP
(C output density)
2-109-008
(M output density)
2-109-009
(Y output density)
3. Measure the pitch of the bands.
Solution
Bands caused by the Development Roller [53mm/26.5mm pitch]
1. Execute DEMS (SP3040-001).
2. Do the procedure: "Centering the axis of the Development roller" described on the last page.
3. If the problem does not resolve, replace the PCDU and execute DEMS (SP3040-001).
Bands caused by the Drum [189mm pitch]
1. Execute DEMS (SP3040-001).
2. Do the procedure: "Centering the axis of the Drum" described on the last page.
3. If the problem does not resolve, replace the PCDU and execute DEMS (SP3040-001).
Bands caused by the Toner Supply Auger [32mm pitch]
1. Reset the PCDU and execute DEMS (SP3040-001).
2. If the problem does not resolve, replace the PCDU and execute DEMS (SP3040-001).
Bands caused by the Charge Roller [40mm pitch]
1. Reset the charge roller unit and execute DEMS (SP3040-001).
Bands caused by the Charge Cleaning Roller [4-5mm pitch]
1. Execute Process Control (SP3-011-002).
2. Reset the charge roller unit and execute DEMS (SP3040-001).
Test pattern (CMYK Chart) and Setting
K C M
26 26 26
5 0 0
0 5 0
0 0 5
0 0 0
Image Quality
Y
26
0
0
0
5
1421