Ricoh D177 Service Training page 9

Differences from Other Models in the Series
Laser diode unit
Air flow
Double feed
detection
Bypass: Side
fence contact
sensor
mechanism
Paper tray
IPU
HVP-CB (high
voltage supply
board)
Slide 9
No additional notes
Met-C1y/z
LD 1 beam LD 1 beam
7 fans 8 fans
No No
No No
- Locked tray (At/Ap-C3) Tray pull-in mechanism
- No pick up solenoid
- No Paper Feed sensor
(Main frame only)
No SPDF option, so the IPU is not compatible with SPDF
issues with the IPU do
not apply
Correction SP value must No SP value
be input when this board
is replaced
9
Met-C1a/b Met-C1c/d/e
LD 4 beams
11 fans
Only Met-C1e
Only Met-C1e
Tray pull-in mechanism
IPU is compatible with SPDF,
but an additional board (IPU
sub board) is mounted on
SPDF models, and must be
installed when an optional
SPDF is installed.
No SP value
Met-C1yz Training