Power On Initialization Test - Ricoh FAX680MP Service Manual

POWER ON INITIALIZATION TEST

7.4 POWER ON INITIALIZATION TEST
Power on test
Turn on power
Display LCD?
Good
Wait until print module
intializes (about 10 s)
READY 99% 12:00
No
PRINT MODULE
ERR
No
NO PAPER
No
QUICK: KEYPAD
No
CLEAR ORIGINAL
No
No
RECEIVING
Yes
Check NCU harness
Check NCU
OK?
Yes
Replace defective
parts
NG
LCD display error
Yes
Ink Nozzle test
Copy test
Transmission test
Reception test
Yes
Print module error
Yes
Paper in the
cassette
No
Set paper in the
cassette
Yes
Yes
Original in the ADF
Yes
Remove original
No
Replace FCU
H905T004.vsd
7-4
Yes
Check SB4 sensor and
harness, connector
No
OK?
Yes
Replace SB4
sensor ass'y
No
SB1, 2 sensor ass'y check
OPU PCB check
FCU-OPU harness check
No
OK?
Replace FCU
Replace defective
parts
31 March, 1997
Replace FCU