Service manual

28 March 2006 ESSENTIAL DIFFERENCES BETWEEN C248 AND C267 MODELS
7-1
Spec.
7. SPECIFICATIONS
7.1 ESSENTIAL DIFFERENCES BETWEEN C248 AND
C267 MODELS
No. Item Remarks
1 Scanner unit A newly designed scanner unit is used.
600 dpi x 300 dpi CCD
A3 / 11” x 17” size book scanner
2 Operation panel A newly designed operation panel is used.
Bigger size bright LCD
Two start buttons (master making and print) combined
into one.
3 Master eject unit Based on the TT model and added a master eject unit
open mechanism like in the VT series.
4 Master making unit Based on the TT model and added a master making
unit slide-out mechanism like in the Sapphire series
5 Drum unit Based on the TT model
New ink pump unit
Trochoid type pump
Metal screen / Cloth screen
Change the mylars to prevent ink leakage
6 Separation Pressure The separation pressure can be changed with a lever.
3 levels (Other destinations)
4 levels (Chinese models)
7 Paper height sensor Two paper height sensors
8 Paper delivery unit Based on the TT model
The main motor drives the paper delivery unit.
Vacuum fan changed from sirocco fan motor to axial
fan motor.
9 PSU A newly designed PSU is used.
Abnormal voltage protection mechanism. (220V
machine only)
• Durability is improved
• Auto detection system for unexpected voltage
surges, with automatic shut-off and data logging
features.
10 MPU A newly designed MPU is used.
MPU controls: Machine, paper feed, image processing,
main motor
Upgrade the firmware using a flash memory card
11 Image processing An LSI (same as the HP4) improves image processing
12 SP mode / User tools Based on the HP4
13 Auto off mode Added the auto-off mode
14 ADF A newly designed ADF is used.