Left Ink Sump - Ricoh MP CW2201 Field Service Manual

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The ink scraped and wiped from the print head [1] by the scraper and wipers [2] flows through a vent

[3] through the open top of the right ink sump [4].

A software count triggers a prompt to tell the operator when this tank is near-full and then finally full and

in need of replacement. The count is done by counting the usage of the wiper mechanism in the

maintenance unit. The two strokes of the wiper removes ink from the cleaning plate and drops the ink

down into the sump below. The wiper operation count is stored in NVRAM. The right ink sump has no ID

The tank is near full at 125 ml and full at 147 ml. The estimated period of time between replacements is

about 5 years.

• Tank near full. A prompt appears on the operation panel of the machine, and the machine will

continue to operate.

• Tank full. A prompt appears on the operation panel of the machine. If a page is being printed, the

print will finish, and then the machine will shut down and cannot be used until after the tank has

been replaced with a new tank and the counter has been reset to "0" with an SP2-505-002.

Left Ink Sump

Occasionally, a printing job will pause long enough for the carriage to move to the left and drain ink

over the left ink sump on the left side of the machine.

A software count triggers a prompt to tell the operator when this tank is near-full and then finally full and

in need of replacement. The left ink sump has no ID chip.

• Near full: 425 ml

• Tank full: 500 ml

Estimated time between replacements: about 5 years

• Tank near full. A prompt appears on the operation panel of the machine, and the machine will

continue to operate.

• Tank full. A prompt appears on the operation panel of the machine. If a page is being printed, the

job will finish, and then the machine will shut down and cannot be used until after the tank has been

The count must be reset with SP2-505-001 after the left ink sump has been replaced. There is no sensor

to detect when the left ink sump is removed and inserted.

The machine refers to a lookup table to determine how to execute draining. The draining intervals and

amount of ink released is determined by the ambient temperature and humidity. Settings in the lookup

table are adjusted for temperature in 1°C steps and for humidity in 3 steps.