Ricoh 002052MIU User Guide - Page 91

Dark Image Or A Black, 6.7 Uneven Density

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PRINTING QUALITY PROBLEMS 4.6.6 DARK IMAGE OR A BLACK Description The printed image is dark. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause No charge voltage in the Main Board. (Perform Engine Test Mode diagnostic code 4 HVPS check.) Charge voltage is not turned on due to the bad contacts between power supply in the side of the Developer and charge terminal of HVPS. B173T919.WMF Clean the high voltage charge terminal. Check the state of the connector, which connects the Main Board and HVPS. If steps 1 and 2 above did not correct the problem, replace the HVPS (SMPS). 4.6.7 UNEVEN DENSITY Description Print density is uneven between left and right. Troubleshooting Check and Cause The pressure force on the left and right springs of the transfer roller is not even, the springs are damaged, the transfer roller is improperly installed, or the transfer roller bushing or holder is damaged. The life of the Developer has expired. The toner level is not even on the developer roller due to the bad blade. B173T920.WMF Solution Replace both the left and right Spring Holder. Problem with the toner cartridge, replace the AIO and try to print again. SM 4-25 B173

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PRINTING QUALITY PROBLEMS
SM
4-25
B173
Trouble-
shooting
4.6.6 DARK IMAGE OR A BLACK
Description
The printed image is dark.
Check and Cause
No charge voltage in the Main Board.
(Perform Engine Test Mode diagnostic
code 4 HVPS check.)
Clean the high voltage charge
terminal.
Charge voltage is not turned on due to
the bad contacts between power supply
in the side of the Developer and charge
terminal of HVPS.
Check the state of the connector,
which connects the Main Board and
HVPS.
If steps 1 and 2 above did not correct
the problem, replace the HVPS
(SMPS).
4.6.7 UNEVEN DENSITY
Description
Print density is uneven between left and right.
Check and Cause
Solution
The pressure force on the left and right
springs of the transfer roller is not even,
the springs are damaged, the transfer
roller is improperly installed, or the
transfer roller bushing or holder is
damaged.
Replace both the left and right Spring
Holder.
The life of the Developer has expired.
The toner level is not even on the
developer roller due to the bad blade.
Problem with the toner cartridge,
replace the AIO and try to print again.
B173T919.WMF
B173T920.WMF