Ricoh Pro C901 Technical Bulletin page 581

Model:
Aries P1.5/C1.5
Subject:
FSM revision - Notes on LD unit replacement
From:
1st Tech service Sect., PP Tech Service Dept.
Classification:
IMPORTANT NOTES REGARDING LASER DIODE UNIT REPLACEMENT
Please add the following notes to your field service manual, at the beginning of the
section:
4. Replacement and Adjustment > Laser Unit > LD Units > When installing a new
LD unit (page 370)
NOTE
When replacing with a new laser diode (LD) unit procured as a service part, spacer seals
may have to be attached to the LD unit before replacement, which depends upon the lot
number. Make sure to check the lot number of the new LD unit before installation.
 If the lot number is ARS141000253 or greater (for example, ARS141000270), spacer
seals are included as accessory parts to the LD unit. See the instructions below to
install the spacer seals.
 If the lot number is ARS141000252 or smaller (for example, ARS140900005), spacer
seals are not included. Disregard the instructions below.
Machine Code: D095/M077
echnical
T
Troubleshooting
Mechanical
Paper path
Product Safety
ARS141000253
2014 production
ulletin
B
Date:
28-Jan-15
Prepared by:
Part information
Electrical
Transmit/receive
Other ( )
253th product of
Production
month
01: January
|
12: December
PAGE: 1/3
No.:
RM077116
Hiroaki H Matsui
Action required
Service manual revision
Retrofit information
Tier 2
Lot number
the month