Xerox Phaser 3020, Service Manual

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June 2014
3-7 Xerox® Phaser® 3020 Printer Service Manual
IQ6, IQ7
Image Quality
Figure 1 Dark or Black Image
IQ7 Uneven Density RAP
Print density is uneven between the left and right portion of the printed image ( Figure 1 ).
Initial Actions
• Ensure that the printer is level.
• Remove the Print Cartridge. Rotate the Print Cartridge 5-6 full rotations to redistribute the
toner.
• Check Supplies Life. Refer to GP 2 Machine Status and Reports.
– Replace any components that have reached end of life.
Procedure
WARNING
Do not perform repair activities with the power on or electrical power supplied to the
machine. Some machine components contain dangerous electrical voltages that can
result in electrical shock and possible serious injury.
DANGER: Ne pas effectuer de dépannnage avec le contact principal activé ou avec l'ali-
mentation électrique appliquée à la machine. Certains éléments de la machine compor-
tent des tensions électriques dangereuses qui peuvent causer un choc électrique et de
graves blessures.
AVVERTENZA: Non effettuare alcuna riparazione con l'alimentazione elettrica inserita.
Alcuni componenti contengono corrente ad alta tensione che può provocare forti
scosse e gravi ferite.
VORSICHT: Es dürfen erst Reparaturarbeiten durchgeführt werden, wenn das Gerät aus-
geschaltet ist oder der Netzstecker nicht mehr mit der Stromquelle verbunden ist. Ein-
ige Komponenten des Gerätes sind stromführend und können daher zu ernsthaften
Verletzungen oder Stromschlägen führen.
AVISO: No realice reparaciones con la máquina encendida o conectada a la corriente.
Algunos componentes de la máquina contienen voltajes eléctricos peligrosos que
pueden producir una descarga eléctrica y causar daños graves.
Switch Off the Power. Check the contacts on the Print Cartridge. The contacts are OK.
Y
N
Replace the Print Cartridge.
Refer to the Xerox® Phaser® 3020 User Guide, Section 6 Maintenance, General Care,
for detailed instructions on how to replace the Print Cartridges.
Check the Transfer Roller for wear or damage. The Transfer Roller is OK.
Y
N
Replace the Transfer Roller; (
REP 1.13 ), PL 3.1 .
If problem persists, replace the LVPS / HVPS PWB; ( REP 1.5 ), PL 3.1 .