Printer; Keyboard Language Resistor Configurations - HP 9020 Service Manual

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Assembly Access
Language Resistors
To change the language configuration of the keyboard, perform the following procedures:
1. UNPLUG COMPUTER POWER CORD FROM AC OUTLET.
2. Remove keyboard from computer as previously described.
3. Place keyboard upside down on an antistatic surface (Figure 4-33).
4. Determine current configuration by noting the resistors in place on the keyboard electronics
board (Figure 4-33). Determine desired configuration according to Table 4-1. A "I" indi-
cates a resistor is installed at that location; a "0" indicates there should be no resistor there.
Add and/or remove resistor(s) to match the desired configuration. Resistor part number is
0698-3441.
Table 4-1. Keyboard Language Resistor Configurations
R16
R17
R22
R23
English (ASCII)
1 1 1 1
Katakana (Japanese)
1 1
0
1
Svenska (Swedish)
1 0 1 1
Suameks (Finnish)
1 0 1 1
Espanal (Spanish)
1 0 0 1
Deutsch (German)
1 1 1 0
Francais (French)
1 1 0 0
Real-Time Clock/Non-Volatile Memory (RTC/NVM) Battery Assembly
1. UNPLUG COMPUTER POWER CORD FROM AC OUTLET.
2. Remove keyboard from computer as previously described.
3. Place keyboard upside down on an antistatic surface (Figure 4-33).
4. Cut battery connections and remove batteries (Figure 4-33).
5. Remove solder from board.
Printer
Several printer subassemblies are field-replaceable. These subassemblies are listed below, followed
by their access procedures.
• Printhead
• Logic Board
• Motor Drive Board
• Paper Sensor Board
• Top-Of-Form/Paper Advance Switches Assembly