_ DEC-O-LOG for LG01 _ DOL, LG01-R001, PRINTER NOV 88 PROBLEM: The most common symptoms experienced are as follows: 1. Printer stops and no error message is displayed. 2. printer stops and paper motion error is displayed. 3. prior to printer stopping, paper won't move or moves excessively. FIELD EFFECTIVITY: All models of the LG01 printers must be upgraded. Customers are experiencing high incidence of failure from the power Amp PCB due to its minimal current carrying margin and lack of shut-down capability in its design. QUICK CHECK: Check the printer serial numbers: LG01-A2 86073, LG01-A3 85443. For printers having lower serial numbers, check Revision Levels: 1. On the unit, check for the DEC part number (LG01-A2 or LG01-A3) label (may not be present) inside the right side panel for Rev. A02. 2. On the power amp PCB and CPU EPROM (socked 4B) check the Vendor part numbers: a. Power Amp PCB for Rev. G. b. CPU EPROM (socket 4B) for number 700524-111.2. For anything less, the printer must be upgraded by the FCO. FCO KIT ORDERING: EQ-01529-01 FCO, PARTS FA-04829-01 FCO only