Ricoh JP3000, Service Manual, Page: 275 / 693

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ESSENTIAL DIFFERENCES BETWEEN THE C237 AND C231 MODELS
SM 1-1 C231/C237/C238
1. OVERALL INFORMATION
1.1 ESSENTIAL DIFFERENCES BETWEEN THE C237
AND C231 MODELS
No. Item Remarks
1 Fast Printing Speed The maximum printing speed is increased from the
current 120 cpm to 130 cpm.
C231 model: 80, 100, 120 sheets/minute
C237 model: 80, 100, 130 sheets/minute
2 Print Paper Weight By changing the type of rubber on the separation
pad, the print paper weight specification is changed.
C231 model: 47.1 g/m
2
to 157.0 g/m
2
C237 model: 47.1 g/m
2
to 209.3 g/m
2
3 Energy Saver Mode Energy saver mode lowers the energy consumption
level below 10 W. When the machine enters Energy
saver mode, only the LED for the clear mode key
stays on. All other keys and the LCD remain on
stand-by until the clear mode key is touched.
4 Combine Two Originals The model is equipped with an image rotation feature
memory where the scanned image is rotated 90
degrees using an image processing technology.
C237V501.WMF
The above combinations are pre-programmed and
can be selected easily by pressing the “Combine
Copies” key on the operation panel.
5 Exit Pawl Air Pump To ensure paper separation from the drum, the exit
pawl air pump system is added.
By adding the exit pawl air pump unit, thin paper
separation from the drum has been improved.
The unit is only added on the Chinese model.
6 MPU, PSU, Operation
Panel Boards Some related parts are different.
Refer to the new electrical components section for
details.